149235887 has 2 divisors, whose sum is σ = 149235888. Its totient is φ = 149235886.

The previous prime is 149235851. The next prime is 149235893. The reversal of 149235887 is 788532941.

It is a happy number.

149235887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149235887 - 2⁸ = 149235631 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 (149235847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74617943 + 74617944.

It is an arithmetic number, because the mean of its divisors is an integer number (74617944).

Almost surely, 2^149235887 is an apocalyptic number.

149235887 is a deficient number, since it is larger than the sum of its proper divisors (1).

149235887 is an equidigital number, since it uses as much as digits as its factorization.

149235887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 149235887 is about 12216.2141025770. The cubic root of 149235887 is about 530.4255357833.

The spelling of 149235887 in words is "one hundred forty-nine million, two hundred thirty-five thousand, eight hundred eighty-seven".