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145325023100 = 22524367749921
BaseRepresentation
bin1000011101011000001…
…0111101111101111100
3111220002221200002011222
42013112002331331330
54340111201214400
6150432243332512
713333201212665
oct2072602757574
9456087602158
10145325023100
11566a5206884
12241b9081138
131091cb7023a
14706893836c
153ba847b185
hex21d60bdf7c

145325023100 has 72 divisors (see below), whose sum is σ = 323172263568. Its totient is φ = 56693145600.

The previous prime is 145325023079. The next prime is 145325023121. The reversal of 145325023100 is 1320523541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145325023079) and next prime (145325023121).

It is a super-2 number, since 2×1453250231002 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145325023100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2886140 + ... + 2936060.

Almost surely, 2145325023100 is an apocalyptic number.

145325023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145325023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161586131784).

145325023100 is an abundant number, since it is smaller than the sum of its proper divisors (177847240468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145325023100 is a wasteful number, since it uses less digits than its factorization.

145325023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50655 (or 50648 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 145325023100 its reverse (1320523541), we get a palindrome (146645546641).

The spelling of 145325023100 in words is "one hundred forty-five billion, three hundred twenty-five million, twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 677 860 1075 1354 2150 2708 3385 4300 6770 13540 16925 29111 33850 49921 58222 67700 99842 116444 145555 199684 249605 291110 499210 582220 727775 998420 1248025 1455550 2146603 2496050 2911100 4293206 4992100 8586412 10733015 21466030 33796517 42932060 53665075 67593034 107330150 135186068 168982585 214660300 337965170 675930340 844912925 1453250231 1689825850 2906500462 3379651700 5813000924 7266251155 14532502310 29065004620 36331255775 72662511550 145325023100