149413877 has 2 divisors, whose sum is σ = 149413878. Its totient is φ = 149413876.

The previous prime is 149413843. The next prime is 149413903. The reversal of 149413877 is 778314941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138909796 + 10504081 = 11786^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 149413877 - 2¹⁸ = 149151733 is a prime.

It is a super-2 number, since 2×149413877² = 44649013280342258, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149418877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74706938 + 74706939.

It is an arithmetic number, because the mean of its divisors is an integer number (74706939).

Almost surely, 2^149413877 is an apocalyptic number.

It is an amenable number.

149413877 is a deficient number, since it is larger than the sum of its proper divisors (1).

149413877 is an equidigital number, since it uses as much as digits as its factorization.

149413877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 149413877 is about 12223.4969219123. The cubic root of 149413877 is about 530.6363272004.

The spelling of 149413877 in words is "one hundred forty-nine million, four hundred thirteen thousand, eight hundred seventy-seven".