149352877 has 2 divisors, whose sum is σ = 149352878. Its totient is φ = 149352876.

The previous prime is 149352821. The next prime is 149352893. The reversal of 149352877 is 778253941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149352841 + 36 = 12221^2 + 6^2 .

It is an emirp because it is prime and its reverse (778253941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149352877 - 2²⁷ = 15135149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149352277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74676438 + 74676439.

It is an arithmetic number, because the mean of its divisors is an integer number (74676439).

Almost surely, 2^149352877 is an apocalyptic number.

It is an amenable number.

149352877 is a deficient number, since it is larger than the sum of its proper divisors (1).

149352877 is an equidigital number, since it uses as much as digits as its factorization.

149352877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 149352877 is about 12221.0014728745. The cubic root of 149352877 is about 530.5641044979.

The spelling of 149352877 in words is "one hundred forty-nine million, three hundred fifty-two thousand, eight hundred seventy-seven".