149236331 has 2 divisors, whose sum is σ = 149236332. Its totient is φ = 149236330.

The previous prime is 149236313. The next prime is 149236337. The reversal of 149236331 is 133632941.

149236331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (149236313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149236331 is a prime.

It is a super-2 number, since 2×149236331² = 44542964980683122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149236337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74618165 + 74618166.

It is an arithmetic number, because the mean of its divisors is an integer number (74618166).

Almost surely, 2^149236331 is an apocalyptic number.

149236331 is a deficient number, since it is larger than the sum of its proper divisors (1).

149236331 is an equidigital number, since it uses as much as digits as its factorization.

149236331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 149236331 is about 12216.2322751330. The cubic root of 149236331 is about 530.4260618157.

The spelling of 149236331 in words is "one hundred forty-nine million, two hundred thirty-six thousand, three hundred thirty-one".