149849872 has 10 divisors (see below), whose sum is σ = 290334158. Its totient is φ = 74924928.

The previous prime is 149849867. The next prime is 149849891. The reversal of 149849872 is 278948941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 145540096 + 4309776 = 12064^2 + 2076^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4682793 + ... + 4682824.

Almost surely, 2^149849872 is an apocalyptic number.

It is an amenable number.

149849872 is a deficient number, since it is larger than the sum of its proper divisors (140484286).

149849872 is an equidigital number, since it uses as much as digits as its factorization.

149849872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365625 (or 9365619 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 149849872 is about 12241.3182296679. The cubic root of 149849872 is about 531.1519645258.

The spelling of 149849872 in words is "one hundred forty-nine million, eight hundred forty-nine thousand, eight hundred seventy-two".