154172132 has 12 divisors (see below), whose sum is σ = 274224636. Its totient is φ = 75822240.

The previous prime is 154172129. The next prime is 154172147. The reversal of 154172132 is 231271451.

It can be written as a sum of positive squares in 2 ways, for example, as 59382436 + 94789696 = 7706^2 + 9736^2 .

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 3 ways as a sum of consecutive naturals, for example, 315683 + ... + 316170.

It is an arithmetic number, because the mean of its divisors is an integer number (22852053).

Almost surely, 2^154172132 is an apocalyptic number.

It is an amenable number.

154172132 is a deficient number, since it is larger than the sum of its proper divisors (120052504).

154172132 is a wasteful number, since it uses less digits than its factorization.

154172132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631918 (or 631916 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 154172132 is about 12416.6071050026. The cubic root of 154172132 is about 536.2104737015.

The spelling of 154172132 in words is "one hundred fifty-four million, one hundred seventy-two thousand, one hundred thirty-two".