149549684 has 12 divisors (see below), whose sum is σ = 275486400. Its totient is φ = 70839288.

The previous prime is 149549651. The next prime is 149549689. The reversal of 149549684 is 486945941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149549689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983804 + ... + 983955.

It is an arithmetic number, because the mean of its divisors is an integer number (22957200).

Almost surely, 2^149549684 is an apocalyptic number.

It is an amenable number.

149549684 is a deficient number, since it is larger than the sum of its proper divisors (125936716).

149549684 is a wasteful number, since it uses less digits than its factorization.

149549684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967782 (or 1967780 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 149549684 is about 12229.0508217114. The cubic root of 149549684 is about 530.7970492305.

The spelling of 149549684 in words is "one hundred forty-nine million, five hundred forty-nine thousand, six hundred eighty-four".