157276961 has 4 divisors (see below), whose sum is σ = 157632432. Its totient is φ = 156921492.

The previous prime is 157276937. The next prime is 157276991. The reversal of 157276961 is 169672751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157276961 - 2¹⁴ = 157260577 is a prime.

It is a super-2 number, since 2×157276961² = 49472084922791042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157276991) 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, 177071 + ... + 177956.

It is an arithmetic number, because the mean of its divisors is an integer number (39408108).

Almost surely, 2^157276961 is an apocalyptic number.

It is an amenable number.

157276961 is a deficient number, since it is larger than the sum of its proper divisors (355471).

157276961 is an equidigital number, since it uses as much as digits as its factorization.

157276961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355470.

The product of its digits is 158760, while the sum is 44.

The square root of 157276961 is about 12541.0111633791. The cubic root of 157276961 is about 539.7861075615.

The spelling of 157276961 in words is "one hundred fifty-seven million, two hundred seventy-six thousand, nine hundred sixty-one".