157252285 has 8 divisors (see below), whose sum is σ = 188771040. Its totient is φ = 125756304.

The previous prime is 157252273. The next prime is 157252301. The reversal of 157252285 is 582252751.

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 157252285 - 2¹¹ = 157250237 is a prime.

It is a super-2 number, since 2×157252285² = 49456562275442450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20286 + ... + 26944.

It is an arithmetic number, because the mean of its divisors is an integer number (23596380).

Almost surely, 2^157252285 is an apocalyptic number.

It is an amenable number.

157252285 is a deficient number, since it is larger than the sum of its proper divisors (31518755).

157252285 is an equidigital number, since it uses as much as digits as its factorization.

157252285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387.

The product of its digits is 56000, while the sum is 37.

The square root of 157252285 is about 12540.0273125699. The cubic root of 157252285 is about 539.7578761355.

The spelling of 157252285 in words is "one hundred fifty-seven million, two hundred fifty-two thousand, two hundred eighty-five".