151232456644 has 12 divisors (see below), whose sum is σ = 265502350204. Its totient is φ = 75374642304.

The previous prime is 151232456593. The next prime is 151232456651. The reversal of 151232456644 is 446654232151.

It can be written as a sum of positive squares in 2 ways, for example, as 24736998400 + 126495458244 = 157280^2 + 355662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151232456644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60395097 + ... + 60397600.

Almost surely, 2^151232456644 is an apocalyptic number.

It is an amenable number.

151232456644 is a deficient number, since it is larger than the sum of its proper divisors (114269893560).

151232456644 is a wasteful number, since it uses less digits than its factorization.

151232456644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120793014 (or 120793012 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

Adding to 151232456644 its reverse (446654232151), we get a palindrome (597886688795).

The spelling of 151232456644 in words is "one hundred fifty-one billion, two hundred thirty-two million, four hundred fifty-six thousand, six hundred forty-four".