149647504 has 30 divisors (see below), whose sum is σ = 292630514. Its totient is φ = 74135040.

The previous prime is 149647489. The next prime is 149647507. The reversal of 149647504 is 405746941.

It can be written as a sum of positive squares in 3 ways, for example, as 126607504 + 23040000 = 11252^2 + 4800^2 .

It is not an unprimeable number, because it can be changed into a prime (149647507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620824 + ... + 621064.

Almost surely, 2^149647504 is an apocalyptic number.

It is an amenable number.

149647504 is a deficient number, since it is larger than the sum of its proper divisors (142983010).

149647504 is an equidigital number, since it uses as much as digits as its factorization.

149647504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 149647504 is about 12233.0496606529. The cubic root of 149647504 is about 530.9127549262.

The spelling of 149647504 in words is "one hundred forty-nine million, six hundred forty-seven thousand, five hundred four".