149707161 has 24 divisors (see below), whose sum is σ = 227335680. Its totient is φ = 94750656.

The previous prime is 149707157. The next prime is 149707163. The reversal of 149707161 is 161707941.

149707161 is a `hidden beast` number, since 1 + 497 + 0 + 7 + 161 = 666.

149707161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149707161 - 2² = 149707157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149707163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25720 + ... + 30998.

It is an arithmetic number, because the mean of its divisors is an integer number (9472320).

Almost surely, 2^149707161 is an apocalyptic number.

It is an amenable number.

149707161 is a deficient number, since it is larger than the sum of its proper divisors (77628519).

149707161 is a wasteful number, since it uses less digits than its factorization.

149707161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 149707161 is about 12235.4877712333. The cubic root of 149707161 is about 530.9832950366.

The spelling of 149707161 in words is "one hundred forty-nine million, seven hundred seven thousand, one hundred sixty-one".