149478156 has 48 divisors (see below), whose sum is σ = 400046080. Its totient is φ = 48217680.

The previous prime is 149478137. The next prime is 149478157. The reversal of 149478156 is 651874941.

149478156 is a `hidden beast` number, since 1 + 494 + 7 + 8 + 156 = 666.

It is not an unprimeable number, because it can be changed into a prime (149478157) 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 15 ways as a sum of consecutive naturals, for example, 18976 + ... + 25671.

Almost surely, 2^149478156 is an apocalyptic number.

It is an amenable number.

149478156 is an abundant number, since it is smaller than the sum of its proper divisors (250567924).

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

149478156 is a wasteful number, since it uses less digits than its factorization.

149478156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44691 (or 44683 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 149478156 is about 12226.1259604177. The cubic root of 149478156 is about 530.7124109017.

The spelling of 149478156 in words is "one hundred forty-nine million, four hundred seventy-eight thousand, one hundred fifty-six".