149382990 has 24 divisors (see below), whose sum is σ = 388396008. Its totient is φ = 39835440.

The previous prime is 149382979. The next prime is 149383027. The reversal of 149382990 is 99283941.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829816 + ... + 829995.

It is an arithmetic number, because the mean of its divisors is an integer number (16183167).

Almost surely, 2^149382990 is an apocalyptic number.

149382990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149382990 is an abundant number, since it is smaller than the sum of its proper divisors (239013018).

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

149382990 is a wasteful number, since it uses less digits than its factorization.

149382990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659824 (or 1659821 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 149382990 is about 12222.2334292878. The cubic root of 149382990 is about 530.5997601067.

The spelling of 149382990 in words is "one hundred forty-nine million, three hundred eighty-two thousand, nine hundred ninety".