157805146 has 16 divisors (see below), whose sum is σ = 255245760. Its totient is φ = 72925920.

The previous prime is 157805143. The next prime is 157805173. The reversal of 157805146 is 641508751.

It is not an unprimeable number, because it can be changed into a prime (157805143) 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, 49086 + ... + 52201.

It is an arithmetic number, because the mean of its divisors is an integer number (15952860).

Almost surely, 2^157805146 is an apocalyptic number.

157805146 is a deficient number, since it is larger than the sum of its proper divisors (97440614).

157805146 is a wasteful number, since it uses less digits than its factorization.

157805146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101349.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 157805146 is about 12562.0518228512. The cubic root of 157805146 is about 540.3896889937.

The spelling of 157805146 in words is "one hundred fifty-seven million, eight hundred five thousand, one hundred forty-six".