149112233 has 2 divisors, whose sum is σ = 149112234. Its totient is φ = 149112232.

The previous prime is 149112217. The next prime is 149112269. The reversal of 149112233 is 332211941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144672784 + 4439449 = 12028^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 149112233 - 2⁴ = 149112217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (149112533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74556116 + 74556117.

It is an arithmetic number, because the mean of its divisors is an integer number (74556117).

Almost surely, 2^149112233 is an apocalyptic number.

It is an amenable number.

149112233 is a deficient number, since it is larger than the sum of its proper divisors (1).

149112233 is an equidigital number, since it uses as much as digits as its factorization.

149112233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 149112233 is about 12211.1519931577. The cubic root of 149112233 is about 530.2789951530.

The spelling of 149112233 in words is "one hundred forty-nine million, one hundred twelve thousand, two hundred thirty-three".