157285027 has 4 divisors (see below), whose sum is σ = 157353736. Its totient is φ = 157216320.

The previous prime is 157285001. The next prime is 157285031. The reversal of 157285027 is 720582751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720582751 = 7 ⋅102940393.

It is a cyclic number.

It is not a de Polignac number, because 157285027 - 2²⁷ = 23067299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157286027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30798 + ... + 35539.

It is an arithmetic number, because the mean of its divisors is an integer number (39338434).

Almost surely, 2^157285027 is an apocalyptic number.

157285027 is a deficient number, since it is larger than the sum of its proper divisors (68709).

157285027 is an equidigital number, since it uses as much as digits as its factorization.

157285027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68708.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 157285027 is about 12541.3327441704. The cubic root of 157285027 is about 539.7953351057.

The spelling of 157285027 in words is "one hundred fifty-seven million, two hundred eighty-five thousand, twenty-seven".