157465138752 has 112 divisors (see below), whose sum is σ = 463230041280. Its totient is φ = 52453039104.

The previous prime is 157465138751. The next prime is 157465138771. The reversal of 157465138752 is 257831564751.

157465138752 is a `hidden beast` number, since 1 + 5 + 7 + 46 + 513 + 87 + 5 + 2 = 666.

It is a super-2 number, since 2×157465138752² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (157465138751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2601828 + ... + 2661660.

Almost surely, 2^157465138752 is an apocalyptic number.

157465138752 is a gapful number since it is divisible by the number (12) 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 157465138752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231615020640).

157465138752 is an abundant number, since it is smaller than the sum of its proper divisors (305764902528).

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

157465138752 is a wasteful number, since it uses less digits than its factorization.

157465138752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61377 (or 61361 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The spelling of 157465138752 in words is "one hundred fifty-seven billion, four hundred sixty-five million, one hundred thirty-eight thousand, seven hundred fifty-two".