149252988 has 24 divisors (see below), whose sum is σ = 349045200. Its totient is φ = 49638400.

The previous prime is 149252981. The next prime is 149252993. The reversal of 149252988 is 889252941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149252981) 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, 8463 + ... + 19238.

It is an arithmetic number, because the mean of its divisors is an integer number (14543550).

Almost surely, 2^149252988 is an apocalyptic number.

It is an amenable number.

149252988 is an abundant number, since it is smaller than the sum of its proper divisors (199792212).

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

149252988 is a wasteful number, since it uses less digits than its factorization.

149252988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28157 (or 28155 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 149252988 is about 12216.9140129576. The cubic root of 149252988 is about 530.4457955676.

The spelling of 149252988 in words is "one hundred forty-nine million, two hundred fifty-two thousand, nine hundred eighty-eight".