151423172 has 6 divisors (see below), whose sum is σ = 264990558. Its totient is φ = 75711584.

The previous prime is 151423169. The next prime is 151423201. The reversal of 151423172 is 271324151.

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 33570436 = 10856^2 + 5794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18927893 + ... + 18927900.

It is an arithmetic number, because the mean of its divisors is an integer number (44165093).

Almost surely, 2^151423172 is an apocalyptic number.

It is an amenable number.

151423172 is a deficient number, since it is larger than the sum of its proper divisors (113567386).

151423172 is a wasteful number, since it uses less digits than its factorization.

151423172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37855797 (or 37855795 counting only the distinct ones).

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

The square root of 151423172 is about 12305.4123051607. The cubic root of 151423172 is about 533.0043823934.

The spelling of 151423172 in words is "one hundred fifty-one million, four hundred twenty-three thousand, one hundred seventy-two".