149645744 has 20 divisors (see below), whose sum is σ = 296109024. Its totient is φ = 73230528.

The previous prime is 149645701. The next prime is 149645759. The reversal of 149645744 is 447546941.

149645744 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149645695 and 149645704.

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, 98747 + ... + 100250.

Almost surely, 2^149645744 is an apocalyptic number.

It is an amenable number.

149645744 is a deficient number, since it is larger than the sum of its proper divisors (146463280).

149645744 is a wasteful number, since it uses less digits than its factorization.

149645744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199052 (or 199046 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 149645744 is about 12232.9777241684. The cubic root of 149645744 is about 530.9106735681.

The spelling of 149645744 in words is "one hundred forty-nine million, six hundred forty-five thousand, seven hundred forty-four".