149212258 has 16 divisors (see below), whose sum is σ = 242045496. Its totient is φ = 68578560.

The previous prime is 149212253. The next prime is 149212267. The reversal of 149212258 is 852212941.

It can be written as a sum of positive squares in 4 ways, for example, as 121154049 + 28058209 = 11007^2 + 5297^2 .

It is not an unprimeable number, because it can be changed into a prime (149212253) 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, 5641 + ... + 18172.

Almost surely, 2^149212258 is an apocalyptic number.

149212258 is a deficient number, since it is larger than the sum of its proper divisors (92833238).

149212258 is a wasteful number, since it uses less digits than its factorization.

149212258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24069.

The product of its digits is 11520, while the sum is 34.

The square root of 149212258 is about 12215.2469479745. The cubic root of 149212258 is about 530.3975396430.

The spelling of 149212258 in words is "one hundred forty-nine million, two hundred twelve thousand, two hundred fifty-eight".