149912268 has 24 divisors (see below), whose sum is σ = 381595200. Its totient is φ = 45427920.

The previous prime is 149912267. The next prime is 149912291. The reversal of 149912268 is 862219941.

It is not an unprimeable number, because it can be changed into a prime (149912267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567718 + ... + 567981.

It is an arithmetic number, because the mean of its divisors is an integer number (15899800).

Almost surely, 2^149912268 is an apocalyptic number.

It is an amenable number.

149912268 is an abundant number, since it is smaller than the sum of its proper divisors (231682932).

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

149912268 is a wasteful number, since it uses less digits than its factorization.

149912268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135717 (or 1135715 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 149912268 is about 12243.8665461528. The cubic root of 149912268 is about 531.2256764319.

The spelling of 149912268 in words is "one hundred forty-nine million, nine hundred twelve thousand, two hundred sixty-eight".