149491732 has 12 divisors (see below), whose sum is σ = 281734516. Its totient is φ = 68996160.

The previous prime is 149491721. The next prime is 149491739. The reversal of 149491732 is 237194941.

It can be written as a sum of positive squares in 2 ways, for example, as 83978896 + 65512836 = 9164^2 + 8094^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149491739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437369 + ... + 1437472.

Almost surely, 2^149491732 is an apocalyptic number.

It is an amenable number.

149491732 is a deficient number, since it is larger than the sum of its proper divisors (132242784).

149491732 is a wasteful number, since it uses less digits than its factorization.

149491732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874858 (or 2874856 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 149491732 is about 12226.6811522997. The cubic root of 149491732 is about 530.7284773152.

The spelling of 149491732 in words is "one hundred forty-nine million, four hundred ninety-one thousand, seven hundred thirty-two".