149504408 has 8 divisors (see below), whose sum is σ = 280320780. Its totient is φ = 74752200.

The previous prime is 149504389. The next prime is 149504417. The reversal of 149504408 is 804405941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×149504408² = 44703136022860928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9344018 + ... + 9344033.

Almost surely, 2^149504408 is an apocalyptic number.

It is an amenable number.

149504408 is a deficient number, since it is larger than the sum of its proper divisors (130816372).

149504408 is a wasteful number, since it uses less digits than its factorization.

149504408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18688057 (or 18688053 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 149504408 is about 12227.1995158335. The cubic root of 149504408 is about 530.7434777524.

The spelling of 149504408 in words is "one hundred forty-nine million, five hundred four thousand, four hundred eight".