157210385 has 8 divisors (see below), whose sum is σ = 188738880. Its totient is φ = 125710704.

The previous prime is 157210367. The next prime is 157210387. The reversal of 157210385 is 583012751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157210385 - 2⁶ = 157210321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157210387) 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, 7556 + ... + 19274.

It is an arithmetic number, because the mean of its divisors is an integer number (23592360).

Almost surely, 2^157210385 is an apocalyptic number.

It is an amenable number.

157210385 is a deficient number, since it is larger than the sum of its proper divisors (31528495).

157210385 is a wasteful number, since it uses less digits than its factorization.

157210385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14407.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 157210385 is about 12538.3565509998. The cubic root of 157210385 is about 539.7099322345.

The spelling of 157210385 in words is "one hundred fifty-seven million, two hundred ten thousand, three hundred eighty-five".