149689332 has 36 divisors (see below), whose sum is σ = 407488900. Its totient is φ = 46058112.

The previous prime is 149689327. The next prime is 149689357. The reversal of 149689332 is 233986941.

It is a happy number.

149689332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11532816 + 138156516 = 3396^2 + 11754^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×149689332² = 44813792229212448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159457 + ... + 160392.

Almost surely, 2^149689332 is an apocalyptic number.

149689332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149689332 is an abundant number, since it is smaller than the sum of its proper divisors (257799568).

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

149689332 is a wasteful number, since it uses less digits than its factorization.

149689332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319872 (or 319867 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 149689332 is about 12234.7591721292. The cubic root of 149689332 is about 530.9622154905.

The spelling of 149689332 in words is "one hundred forty-nine million, six hundred eighty-nine thousand, three hundred thirty-two".