149433156 has 36 divisors (see below), whose sum is σ = 381636892. Its totient is φ = 49296384.

The previous prime is 149433131. The next prime is 149433169. The reversal of 149433156 is 651334941.

149433156 is digitally balanced in base 3 and base 9, because in such bases 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 72590400 + 76842756 = 8520^2 + 8766^2 .

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

It is a super-2 number, since 2×149433156² = 44660536224240672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

149433156 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 149433156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17905 + ... + 24888.

Almost surely, 2^149433156 is an apocalyptic number.

It is an amenable number.

149433156 is an abundant number, since it is smaller than the sum of its proper divisors (232203736).

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

149433156 is a wasteful number, since it uses less digits than its factorization.

149433156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42900 (or 42895 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 149433156 is about 12224.2855005927. The cubic root of 149433156 is about 530.6591490382.

The spelling of 149433156 in words is "one hundred forty-nine million, four hundred thirty-three thousand, one hundred fifty-six".