156402273 has 12 divisors (see below), whose sum is σ = 209708304. Its totient is φ = 103685400.

The previous prime is 156402271. The next prime is 156402289. The reversal of 156402273 is 372204651.

It is not a de Polignac number, because 156402273 - 2¹ = 156402271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156402273.

It is not an unprimeable number, because it can be changed into a prime (156402271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132978 + ... + 134148.

It is an arithmetic number, because the mean of its divisors is an integer number (17475692).

Almost surely, 2^156402273 is an apocalyptic number.

It is an amenable number.

156402273 is a deficient number, since it is larger than the sum of its proper divisors (53306031).

156402273 is an equidigital number, since it uses as much as digits as its factorization.

156402273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 156402273 is about 12506.0894367504. The cubic root of 156402273 is about 538.7835822256.

The spelling of 156402273 in words is "one hundred fifty-six million, four hundred two thousand, two hundred seventy-three".