149977446 has 16 divisors (see below), whose sum is σ = 302246208. Its totient is φ = 49610600.

The previous prime is 149977427. The next prime is 149977447. The reversal of 149977446 is 644779941.

149977446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149977447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94620 + ... + 96191.

It is an arithmetic number, because the mean of its divisors is an integer number (18890388).

Almost surely, 2^149977446 is an apocalyptic number.

149977446 is an abundant number, since it is smaller than the sum of its proper divisors (152268762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149977446 is a wasteful number, since it uses less digits than its factorization.

149977446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190947.

The product of its digits is 1524096, while the sum is 51.

The square root of 149977446 is about 12246.5279161075. The cubic root of 149977446 is about 531.3026530327.

The spelling of 149977446 in words is "one hundred forty-nine million, nine hundred seventy-seven thousand, four hundred forty-six".