149254331 has 2 divisors, whose sum is σ = 149254332. Its totient is φ = 149254330.

The previous prime is 149254327. The next prime is 149254349. The reversal of 149254331 is 133452941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149254331 - 2² = 149254327 is a prime.

It is a super-2 number, since 2×149254331² = 44553710644515122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149254361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74627165 + 74627166.

It is an arithmetic number, because the mean of its divisors is an integer number (74627166).

Almost surely, 2^149254331 is an apocalyptic number.

149254331 is a deficient number, since it is larger than the sum of its proper divisors (1).

149254331 is an equidigital number, since it uses as much as digits as its factorization.

149254331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 149254331 is about 12216.9689776147. The cubic root of 149254331 is about 530.4473865722.

The spelling of 149254331 in words is "one hundred forty-nine million, two hundred fifty-four thousand, three hundred thirty-one".