149383433 has 2 divisors, whose sum is σ = 149383434. Its totient is φ = 149383432.

The previous prime is 149383427. The next prime is 149383441. The reversal of 149383433 is 334383941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97081609 + 52301824 = 9853^2 + 7232^2 .

It is a cyclic number.

It is not a de Polignac number, because 149383433 - 2⁸ = 149383177 is a prime.

It is not a weakly prime, because it can be changed into another prime (149383033) 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, 74691716 + 74691717.

It is an arithmetic number, because the mean of its divisors is an integer number (74691717).

Almost surely, 2^149383433 is an apocalyptic number.

It is an amenable number.

149383433 is a deficient number, since it is larger than the sum of its proper divisors (1).

149383433 is an equidigital number, since it uses as much as digits as its factorization.

149383433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 38.

The square root of 149383433 is about 12222.2515519850. The cubic root of 149383433 is about 530.6002846096.

The spelling of 149383433 in words is "one hundred forty-nine million, three hundred eighty-three thousand, four hundred thirty-three".