157052377 has 4 divisors (see below), whose sum is σ = 157293540. Its totient is φ = 156811216.

The previous prime is 157052339. The next prime is 157052411. The reversal of 157052377 is 773250751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78570496 + 78481881 = 8864^2 + 8859^2 .

It is a cyclic number.

It is not a de Polignac number, because 157052377 - 2⁷ = 157052249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157052317) 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, 119602 + ... + 120907.

It is an arithmetic number, because the mean of its divisors is an integer number (39323385).

Almost surely, 2^157052377 is an apocalyptic number.

It is an amenable number.

157052377 is a deficient number, since it is larger than the sum of its proper divisors (241163).

157052377 is an equidigital number, since it uses as much as digits as its factorization.

157052377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241162.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 157052377 is about 12532.0539816903. The cubic root of 157052377 is about 539.5290555633.

The spelling of 157052377 in words is "one hundred fifty-seven million, fifty-two thousand, three hundred seventy-seven".