149151712 has 24 divisors (see below), whose sum is σ = 294950376. Its totient is φ = 74243712.

The previous prime is 149151703. The next prime is 149151713. The reversal of 149151712 is 217151941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149151713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003 + ... + 17530.

It is an arithmetic number, because the mean of its divisors is an integer number (12289599).

Almost surely, 2^149151712 is an apocalyptic number.

It is an amenable number.

149151712 is a deficient number, since it is larger than the sum of its proper divisors (145798664).

149151712 is a wasteful number, since it uses less digits than its factorization.

149151712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20770 (or 20762 counting only the distinct ones).

The product of its digits is 2520, while the sum is 31.

The square root of 149151712 is about 12212.7684003259. The cubic root of 149151712 is about 530.3257899659.

The spelling of 149151712 in words is "one hundred forty-nine million, one hundred fifty-one thousand, seven hundred twelve".