149402933 has 2 divisors, whose sum is σ = 149402934. Its totient is φ = 149402932.

The previous prime is 149402881. The next prime is 149402971. The reversal of 149402933 is 339204941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106461124 + 42941809 = 10318^2 + 6553^2 .

It is a cyclic number.

It is not a de Polignac number, because 149402933 - 2²⁰ = 148354357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149402893 and 149402902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149402993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74701466 + 74701467.

It is an arithmetic number, because the mean of its divisors is an integer number (74701467).

Almost surely, 2^149402933 is an apocalyptic number.

It is an amenable number.

149402933 is a deficient number, since it is larger than the sum of its proper divisors (1).

149402933 is an equidigital number, since it uses as much as digits as its factorization.

149402933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 149402933 is about 12223.0492513120. The cubic root of 149402933 is about 530.6233711844.

The spelling of 149402933 in words is "one hundred forty-nine million, four hundred two thousand, nine hundred thirty-three".