149133644 has 12 divisors (see below), whose sum is σ = 284709768. Its totient is φ = 67788000.

The previous prime is 149133637. The next prime is 149133661. The reversal of 149133644 is 446331941.

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, 1694657 + ... + 1694744.

It is an arithmetic number, because the mean of its divisors is an integer number (23725814).

Almost surely, 2^149133644 is an apocalyptic number.

It is an amenable number.

149133644 is a deficient number, since it is larger than the sum of its proper divisors (135576124).

149133644 is a wasteful number, since it uses less digits than its factorization.

149133644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389416 (or 3389414 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 149133644 is about 12212.0286603005. The cubic root of 149133644 is about 530.3043748283.

The spelling of 149133644 in words is "one hundred forty-nine million, one hundred thirty-three thousand, six hundred forty-four".