149013544 has 16 divisors (see below), whose sum is σ = 279702720. Its totient is φ = 74426160.

The previous prime is 149013539. The next prime is 149013587. The reversal of 149013544 is 445310941.

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, 1824 + ... + 17359.

It is an arithmetic number, because the mean of its divisors is an integer number (17481420).

Almost surely, 2^149013544 is an apocalyptic number.

It is an amenable number.

149013544 is a deficient number, since it is larger than the sum of its proper divisors (130689176).

149013544 is a wasteful number, since it uses less digits than its factorization.

149013544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160 (or 20156 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 149013544 is about 12207.1103869835. The cubic root of 149013544 is about 530.1619820542.

The spelling of 149013544 in words is "one hundred forty-nine million, thirteen thousand, five hundred forty-four".