149486988 has 24 divisors (see below), whose sum is σ = 398632192. Its totient is φ = 42710544.

The previous prime is 149486951. The next prime is 149486989. The reversal of 149486988 is 889684941.

It is not an unprimeable number, because it can be changed into a prime (149486989) 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, 889720 + ... + 889887.

Almost surely, 2^149486988 is an apocalyptic number.

It is an amenable number.

149486988 is an abundant number, since it is smaller than the sum of its proper divisors (249145204).

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

149486988 is a wasteful number, since it uses less digits than its factorization.

149486988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779621 (or 1779619 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 149486988 is about 12226.4871488093. The cubic root of 149486988 is about 530.7228631752.

The spelling of 149486988 in words is "one hundred forty-nine million, four hundred eighty-six thousand, nine hundred eighty-eight".