157904085 has 32 divisors (see below), whose sum is σ = 264591360. Its totient is φ = 80260928.

The previous prime is 157904081. The next prime is 157904099. The reversal of 157904085 is 580409751.

It is a cyclic number.

It is not a de Polignac number, because 157904085 - 2² = 157904081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157904081) 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, 119056 + ... + 120374.

It is an arithmetic number, because the mean of its divisors is an integer number (8268480).

Almost surely, 2^157904085 is an apocalyptic number.

157904085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157904085 is a deficient number, since it is larger than the sum of its proper divisors (106687275).

157904085 is a wasteful number, since it uses less digits than its factorization.

157904085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 157904085 is about 12565.9892169300. The cubic root of 157904085 is about 540.5026013351.

The spelling of 157904085 in words is "one hundred fifty-seven million, nine hundred four thousand, eighty-five".