149186924 has 12 divisors (see below), whose sum is σ = 272428464. Its totient is φ = 71350224.

The previous prime is 149186899. The next prime is 149186927. The reversal of 149186924 is 429681941.

It is not an unprimeable number, because it can be changed into a prime (149186927) by changing a digit.

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, 810707 + ... + 810890.

It is an arithmetic number, because the mean of its divisors is an integer number (22702372).

Almost surely, 2^149186924 is an apocalyptic number.

It is an amenable number.

149186924 is a deficient number, since it is larger than the sum of its proper divisors (123241540).

149186924 is a wasteful number, since it uses less digits than its factorization.

149186924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621624 (or 1621622 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 149186924 is about 12214.2099212352. The cubic root of 149186924 is about 530.3675200990.

Multiplying 149186924 by its sum of digits (44), we get a palindrome (6564224656).

The spelling of 149186924 in words is "one hundred forty-nine million, one hundred eighty-six thousand, nine hundred twenty-four".