149977284 has 24 divisors (see below), whose sum is σ = 355685568. Its totient is φ = 49172640.

The previous prime is 149977283. The next prime is 149977297. The reversal of 149977284 is 482779941.

It is not an unprimeable number, because it can be changed into a prime (149977283) 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, 101712 + ... + 103175.

It is an arithmetic number, because the mean of its divisors is an integer number (14820232).

Almost surely, 2^149977284 is an apocalyptic number.

It is an amenable number.

149977284 is an abundant number, since it is smaller than the sum of its proper divisors (205708284).

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

149977284 is a wasteful number, since it uses less digits than its factorization.

149977284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204955 (or 204953 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 149977284 is about 12246.5213019861. The cubic root of 149977284 is about 531.3024617350.

The spelling of 149977284 in words is "one hundred forty-nine million, nine hundred seventy-seven thousand, two hundred eighty-four".