149981496 has 32 divisors (see below), whose sum is σ = 428519040. Its totient is φ = 42851808.

The previous prime is 149981479. The next prime is 149981501. The reversal of 149981496 is 694189941.

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, 446206 + ... + 446541.

It is an arithmetic number, because the mean of its divisors is an integer number (13391220).

Almost surely, 2^149981496 is an apocalyptic number.

It is an amenable number.

149981496 is an abundant number, since it is smaller than the sum of its proper divisors (278537544).

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

149981496 is a wasteful number, since it uses less digits than its factorization.

149981496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892763 (or 892759 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 149981496 is about 12246.6932679805. The cubic root of 149981496 is about 531.3074354327.

The spelling of 149981496 in words is "one hundred forty-nine million, nine hundred eighty-one thousand, four hundred ninety-six".