149343556 has 12 divisors (see below), whose sum is σ = 261653392. Its totient is φ = 74585448.

The previous prime is 149343547. The next prime is 149343569. The reversal of 149343556 is 655343941.

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 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 3 ways as a sum of consecutive naturals, for example, 17610 + ... + 24673.

Almost surely, 2^149343556 is an apocalyptic number.

It is an amenable number.

149343556 is a deficient number, since it is larger than the sum of its proper divisors (112309836).

149343556 is a wasteful number, since it uses less digits than its factorization.

149343556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43170 (or 43168 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 149343556 is about 12220.6201151987. The cubic root of 149343556 is about 530.5530669003.

The spelling of 149343556 in words is "one hundred forty-nine million, three hundred forty-three thousand, five hundred fifty-six".