157255670 has 64 divisors (see below), whose sum is σ = 334587456. Its totient is φ = 52462080.

The previous prime is 157255667. The next prime is 157255673. The reversal of 157255670 is 76552751.

It is an interprime number because it is at equal distance from previous prime (157255667) and next prime (157255673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157255673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395912 + ... + 396308.

It is an arithmetic number, because the mean of its divisors is an integer number (5227929).

Almost surely, 2^157255670 is an apocalyptic number.

157255670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157255670 is an abundant number, since it is smaller than the sum of its proper divisors (177331786).

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

157255670 is a wasteful number, since it uses less digits than its factorization.

157255670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 157255670 is about 12540.1622796517. The cubic root of 157255670 is about 539.7617490359.

The spelling of 157255670 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, six hundred seventy".