149156075 has 6 divisors (see below), whose sum is σ = 184953564. Its totient is φ = 119324840.

The previous prime is 149156069. The next prime is 149156087. The reversal of 149156075 is 570651941.

It is not a de Polignac number, because 149156075 - 2¹² = 149151979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2983097 + ... + 2983146.

It is an arithmetic number, because the mean of its divisors is an integer number (30825594).

Almost surely, 2^149156075 is an apocalyptic number.

149156075 is a deficient number, since it is larger than the sum of its proper divisors (35797489).

149156075 is an equidigital number, since it uses as much as digits as its factorization.

149156075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966253 (or 5966248 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 149156075 is about 12212.9470235484. The cubic root of 149156075 is about 530.3309609622.

The spelling of 149156075 in words is "one hundred forty-nine million, one hundred fifty-six thousand, seventy-five".