149254312 has 16 divisors (see below), whose sum is σ = 284440500. Its totient is φ = 73403520.

The previous prime is 149254297. The next prime is 149254327. The reversal of 149254312 is 213452941.

It is an interprime number because it is at equal distance from previous prime (149254297) and next prime (149254327).

It can be written as a sum of positive squares in 2 ways, for example, as 115218756 + 34035556 = 10734^2 + 5834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152437 + ... + 153412.

Almost surely, 2^149254312 is an apocalyptic number.

It is an amenable number.

149254312 is a deficient number, since it is larger than the sum of its proper divisors (135186188).

149254312 is a wasteful number, since it uses less digits than its factorization.

149254312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305916 (or 305912 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 149254312 is about 12216.9682000077. The cubic root of 149254312 is about 530.4473640637.

The spelling of 149254312 in words is "one hundred forty-nine million, two hundred fifty-four thousand, three hundred twelve".