156273145 has 32 divisors (see below), whose sum is σ = 219967488. Its totient is φ = 104372928.

The previous prime is 156273133. The next prime is 156273209. The reversal of 156273145 is 541372651.

It is a cyclic number.

It is not a de Polignac number, because 156273145 - 2¹¹ = 156271097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156273145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241212 + ... + 241858.

It is an arithmetic number, because the mean of its divisors is an integer number (6873984).

Almost surely, 2^156273145 is an apocalyptic number.

It is an amenable number.

156273145 is a deficient number, since it is larger than the sum of its proper divisors (63694343).

156273145 is a wasteful number, since it uses less digits than its factorization.

156273145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its digits is 25200, while the sum is 34.

The square root of 156273145 is about 12500.9257657183. The cubic root of 156273145 is about 538.6352655368.

The spelling of 156273145 in words is "one hundred fifty-six million, two hundred seventy-three thousand, one hundred forty-five".