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145415413540 = 2258509185447
BaseRepresentation
bin1000011101101101101…
…1110001111100100100
3111220100020202101120001
42013123123301330210
54340302321213130
6150445232551044
713335346422655
oct2073333617444
9456306671501
10145415413540
1156741234521
12242233b2484
13109357caac7
14707694752c
153bb13836ca
hex21db6f1f24

145415413540 has 24 divisors (see below), whose sum is σ = 305379531072. Its totient is φ = 58164801120.

The previous prime is 145415413519. The next prime is 145415413541. The reversal of 145415413540 is 45314514541.

It is a super-2 number, since 2×1454154135402 (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 145415413540.

It is not an unprimeable number, because it can be changed into a prime (145415413541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659097 + ... + 1744543.

It is an arithmetic number, because the mean of its divisors is an integer number (12724147128).

Almost surely, 2145415413540 is an apocalyptic number.

145415413540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145415413540 is an abundant number, since it is smaller than the sum of its proper divisors (159964117532).

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

145415413540 is a wasteful number, since it uses less digits than its factorization.

145415413540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170547 (or 170545 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 145415413540 in words is "one hundred forty-five billion, four hundred fifteen million, four hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 85091 85447 170182 170894 340364 341788 425455 427235 850910 854470 1701820 1708940 7270770677 14541541354 29083082708 36353853385 72707706770 145415413540