149624644 has 12 divisors (see below), whose sum is σ = 281985004. Its totient is φ = 69057504.

The previous prime is 149624623. The next prime is 149624653. The reversal of 149624644 is 446426941.

It can be written as a sum of positive squares in 2 ways, for example, as 9486400 + 140138244 = 3080^2 + 11838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149624597 and 149624606.

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, 1438647 + ... + 1438750.

Almost surely, 2^149624644 is an apocalyptic number.

It is an amenable number.

149624644 is a deficient number, since it is larger than the sum of its proper divisors (132360360).

149624644 is a wasteful number, since it uses less digits than its factorization.

149624644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877414 (or 2877412 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 149624644 is about 12232.1152708761. The cubic root of 149624644 is about 530.8857196526.

The spelling of 149624644 in words is "one hundred forty-nine million, six hundred twenty-four thousand, six hundred forty-four".