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145254321300 = 2235211297192111
BaseRepresentation
bin1000011101000111010…
…1010000110010010100
3111212221000122001112210
42013101311100302110
54334440101240200
6150421240113420
713331352234204
oct2072165206224
9455830561483
10145254321300
1156669306540
1224199465870
131090b31715a
14705d3b2404
153ba2162650
hex21d1d50c94

145254321300 has 288 divisors, whose sum is σ = 475169587200. Its totient is φ = 33935552000.

The previous prime is 145254321293. The next prime is 145254321319. The reversal of 145254321300 is 3123452541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68807245 + ... + 68809355.

It is an arithmetic number, because the mean of its divisors is an integer number (1649894400).

Almost surely, 2145254321300 is an apocalyptic number.

145254321300 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 145254321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237584793600).

145254321300 is an abundant number, since it is smaller than the sum of its proper divisors (329915265900).

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

145254321300 is a wasteful number, since it uses less digits than its factorization.

145254321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 145254321300 its reverse (3123452541), we get a palindrome (148377773841).

The spelling of 145254321300 in words is "one hundred forty-five billion, two hundred fifty-four million, three hundred twenty-one thousand, three hundred".