157001280 has 56 divisors (see below), whose sum is σ = 498482112. Its totient is φ = 41866752.

The previous prime is 157001279. The next prime is 157001281. The reversal of 157001280 is 82100751.

It is an interprime number because it is at equal distance from previous prime (157001279) and next prime (157001281).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 157001280.

It is not an unprimeable number, because it can be changed into a prime (157001281) 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, 80812 + ... + 82731.

Almost surely, 2^157001280 is an apocalyptic number.

157001280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157001280 is an abundant number, since it is smaller than the sum of its proper divisors (341480832).

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

157001280 is a wasteful number, since it uses less digits than its factorization.

157001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163563 (or 163553 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 157001280 is about 12530.0151635982. The cubic root of 157001280 is about 539.4705372800.

The spelling of 157001280 in words is "one hundred fifty-seven million, one thousand, two hundred eighty".