149778832 has 40 divisors (see below), whose sum is σ = 332417216. Its totient is φ = 64043136.

The previous prime is 149778809. The next prime is 149778841. The reversal of 149778832 is 238877941.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57298 + ... + 59854.

Almost surely, 2^149778832 is an apocalyptic number.

It is an amenable number.

149778832 is an abundant number, since it is smaller than the sum of its proper divisors (182638384).

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

149778832 is a wasteful number, since it uses less digits than its factorization.

149778832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095 (or 3089 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 149778832 is about 12238.4162374059. The cubic root of 149778832 is about 531.0680160615.

The spelling of 149778832 in words is "one hundred forty-nine million, seven hundred seventy-eight thousand, eight hundred thirty-two".