149683864 has 32 divisors (see below), whose sum is σ = 306662400. Its totient is φ = 67929120.

The previous prime is 149683847. The next prime is 149683873. The reversal of 149683864 is 468386941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84217 + ... + 85975.

It is an arithmetic number, because the mean of its divisors is an integer number (9583200).

Almost surely, 2^149683864 is an apocalyptic number.

It is an amenable number.

149683864 is an abundant number, since it is smaller than the sum of its proper divisors (156978536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149683864 is a wasteful number, since it uses less digits than its factorization.

149683864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743 (or 2739 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 149683864 is about 12234.5357083953. The cubic root of 149683864 is about 530.9557502408.

The spelling of 149683864 in words is "one hundred forty-nine million, six hundred eighty-three thousand, eight hundred sixty-four".