156271241 has 12 divisors (see below), whose sum is σ = 181989828. Its totient is φ = 133795872.

The previous prime is 156271231. The next prime is 156271261. The reversal of 156271241 is 142172651.

It can be written as a sum of positive squares in 2 ways, for example, as 14661241 + 141610000 = 3829^2 + 11900^2 .

It is not a de Polignac number, because 156271241 - 2¹⁸ = 156009097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156271231) 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, 77255 + ... + 79251.

It is an arithmetic number, because the mean of its divisors is an integer number (15165819).

Almost surely, 2^156271241 is an apocalyptic number.

It is an amenable number.

156271241 is a deficient number, since it is larger than the sum of its proper divisors (25718587).

156271241 is a wasteful number, since it uses less digits than its factorization.

156271241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608 (or 3601 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 156271241 is about 12500.8496111264. The cubic root of 156271241 is about 538.6330779873.

The spelling of 156271241 in words is "one hundred fifty-six million, two hundred seventy-one thousand, two hundred forty-one".