149540232 has 32 divisors (see below), whose sum is σ = 375540480. Its totient is φ = 49621440.

The previous prime is 149540221. The next prime is 149540233. The reversal of 149540232 is 232045941.

It is a super-2 number, since 2×149540232² = 44724561973227648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149540232.

It is not an unprimeable number, because it can be changed into a prime (149540233) by changing a digit.

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, 8619 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (11735640).

Almost surely, 2^149540232 is an apocalyptic number.

149540232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149540232 is an abundant number, since it is smaller than the sum of its proper divisors (226000248).

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

149540232 is a wasteful number, since it uses less digits than its factorization.

149540232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28173 (or 28169 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 149540232 is about 12228.6643587924. The cubic root of 149540232 is about 530.7858663262.

The spelling of 149540232 in words is "one hundred forty-nine million, five hundred forty thousand, two hundred thirty-two".