149528933 has 2 divisors, whose sum is σ = 149528934. Its totient is φ = 149528932.

The previous prime is 149528921. The next prime is 149528947. The reversal of 149528933 is 339825941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95609284 + 53919649 = 9778^2 + 7343^2 .

It is a cyclic number.

It is not a de Polignac number, because 149528933 - 2²⁰ = 148480357 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149528963) 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, 74764466 + 74764467.

It is an arithmetic number, because the mean of its divisors is an integer number (74764467).

Almost surely, 2^149528933 is an apocalyptic number.

It is an amenable number.

149528933 is a deficient number, since it is larger than the sum of its proper divisors (1).

149528933 is an equidigital number, since it uses as much as digits as its factorization.

149528933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 149528933 is about 12228.2023617538. The cubic root of 149528933 is about 530.7724975704.

The spelling of 149528933 in words is "one hundred forty-nine million, five hundred twenty-eight thousand, nine hundred thirty-three".