149911892 has 48 divisors (see below), whose sum is σ = 289898112. Its totient is φ = 67409280.

The previous prime is 149911891. The next prime is 149911969. The reversal of 149911892 is 298119941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149911891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529583 + ... + 529865.

It is an arithmetic number, because the mean of its divisors is an integer number (6039544).

Almost surely, 2^149911892 is an apocalyptic number.

It is an amenable number.

149911892 is a deficient number, since it is larger than the sum of its proper divisors (139986220).

149911892 is a wasteful number, since it uses less digits than its factorization.

149911892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its digits is 46656, while the sum is 44.

The square root of 149911892 is about 12243.8511915165. The cubic root of 149911892 is about 531.2252323032.

The spelling of 149911892 in words is "one hundred forty-nine million, nine hundred eleven thousand, eight hundred ninety-two".