149061172 has 24 divisors (see below), whose sum is σ = 281380736. Its totient is φ = 68685408.

The previous prime is 149061167. The next prime is 149061173. The reversal of 149061172 is 271160941.

149061172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149061173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35833 + ... + 39775.

Almost surely, 2^149061172 is an apocalyptic number.

It is an amenable number.

149061172 is a deficient number, since it is larger than the sum of its proper divisors (132319564).

149061172 is a wasteful number, since it uses less digits than its factorization.

149061172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 149061172 is about 12209.0610613593. The cubic root of 149061172 is about 530.2184598402.

The spelling of 149061172 in words is "one hundred forty-nine million, sixty-one thousand, one hundred seventy-two".