149489268 has 24 divisors (see below), whose sum is σ = 349150368. Its totient is φ = 49780896.

The previous prime is 149489257. The next prime is 149489269. The reversal of 149489268 is 862984941.

It is a self number, because there is not a number n which added to its sum of digits gives 149489268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149489269) 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, 7930 + ... + 19022.

It is an arithmetic number, because the mean of its divisors is an integer number (14547932).

Almost surely, 2^149489268 is an apocalyptic number.

It is an amenable number.

149489268 is an abundant number, since it is smaller than the sum of its proper divisors (199661100).

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

149489268 is a wasteful number, since it uses less digits than its factorization.

149489268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223 (or 12221 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 149489268 is about 12226.5803886451. The cubic root of 149489268 is about 530.7255613854.

The spelling of 149489268 in words is "one hundred forty-nine million, four hundred eighty-nine thousand, two hundred sixty-eight".