157290027 has 16 divisors (see below), whose sum is σ = 214510080. Its totient is φ = 102492000.

The previous prime is 157290019. The next prime is 157290041. The reversal of 157290027 is 720092751.

It is not a de Polignac number, because 157290027 - 2³ = 157290019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157290027.

It is not an unprimeable number, because it can be changed into a prime (157290097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20652 + ... + 27222.

It is an arithmetic number, because the mean of its divisors is an integer number (13406880).

Almost surely, 2^157290027 is an apocalyptic number.

157290027 is a deficient number, since it is larger than the sum of its proper divisors (57220053).

157290027 is a wasteful number, since it uses less digits than its factorization.

157290027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 157290027 is about 12541.5320834418. The cubic root of 157290027 is about 539.8010549722.

The spelling of 157290027 in words is "one hundred fifty-seven million, two hundred ninety thousand, twenty-seven".