157049685 has 96 divisors (see below), whose sum is σ = 310896768. Its totient is φ = 75582720.

The previous prime is 157049677. The next prime is 157049729. The reversal of 157049685 is 586940751.

157049685 is a `hidden beast` number, since 15 + 70 + 496 + 85 = 666.

157049685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157049685 - 2³ = 157049677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157049685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 963414 + ... + 963576.

It is an arithmetic number, because the mean of its divisors is an integer number (3238508).

Almost surely, 2^157049685 is an apocalyptic number.

157049685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157049685 is a deficient number, since it is larger than the sum of its proper divisors (153847083).

157049685 is a wasteful number, since it uses less digits than its factorization.

157049685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 157049685 is about 12531.9465766496. The cubic root of 157049685 is about 539.5259728964.

The spelling of 157049685 in words is "one hundred fifty-seven million, forty-nine thousand, six hundred eighty-five".