149595959 has 2 divisors, whose sum is σ = 149595960. Its totient is φ = 149595958.

The previous prime is 149595893. The next prime is 149595977. The reversal of 149595959 is 959595941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149595959 - 2¹² = 149591863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149595559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74797979 + 74797980.

It is an arithmetic number, because the mean of its divisors is an integer number (74797980).

Almost surely, 2^149595959 is an apocalyptic number.

149595959 is a deficient number, since it is larger than the sum of its proper divisors (1).

149595959 is an equidigital number, since it uses as much as digits as its factorization.

149595959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3280500, while the sum is 56.

The square root of 149595959 is about 12230.9426864817. The cubic root of 149595959 is about 530.8517915738.

The spelling of 149595959 in words is "one hundred forty-nine million, five hundred ninety-five thousand, nine hundred fifty-nine".