149185684 has 24 divisors (see below), whose sum is σ = 267454880. Its totient is φ = 72791136.

The previous prime is 149185669. The next prime is 149185753. The reversal of 149185684 is 486581941.

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 in 7 ways as a sum of consecutive naturals, for example, 26659 + ... + 31765.

Almost surely, 2^149185684 is an apocalyptic number.

It is an amenable number.

149185684 is a deficient number, since it is larger than the sum of its proper divisors (118269196).

149185684 is a wasteful number, since it uses less digits than its factorization.

149185684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287 (or 5285 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 149185684 is about 12214.1591605808. The cubic root of 149185684 is about 530.3660506728.

It can be divided in two parts, 14918 and 5684, that added together give a palindrome (20602).

The spelling of 149185684 in words is "one hundred forty-nine million, one hundred eighty-five thousand, six hundred eighty-four".