156097 has 4 divisors (see below), whose sum is σ = 157360. Its totient is φ = 154836.

The previous prime is 156089. The next prime is 156109. The reversal of 156097 is 790651.

It is a happy number.

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 156097 - 2³ = 156089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423 + ... + 700.

It is an arithmetic number, because the mean of its divisors is an integer number (39340).

2¹⁵⁶⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

156097 is a deficient number, since it is larger than the sum of its proper divisors (1263).

156097 is a wasteful number, since it uses less digits than its factorization.

156097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 156097 is about 395.0911287286. The cubic root of 156097 is about 53.8432813224.

The spelling of 156097 in words is "one hundred fifty-six thousand, ninety-seven".