156492097 has 2 divisors, whose sum is σ = 156492098. Its totient is φ = 156492096.

The previous prime is 156492079. The next prime is 156492109. The reversal of 156492097 is 790294651.

It is a happy number.

Together with previous prime (156492079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 61214976 = 9761^2 + 7824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156492097 is a prime.

It is not a weakly prime, because it can be changed into another prime (156492997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78246048 + 78246049.

It is an arithmetic number, because the mean of its divisors is an integer number (78246049).

Almost surely, 2^156492097 is an apocalyptic number.

It is an amenable number.

156492097 is a deficient number, since it is larger than the sum of its proper divisors (1).

156492097 is an equidigital number, since it uses as much as digits as its factorization.

156492097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 156492097 is about 12509.6801318019. The cubic root of 156492097 is about 538.8867061204.

The spelling of 156492097 in words is "one hundred fifty-six million, four hundred ninety-two thousand, ninety-seven".