149989276 has 12 divisors (see below), whose sum is σ = 271532520. Its totient is φ = 72408560.

The previous prime is 149989243. The next prime is 149989277. The reversal of 149989276 is 672989941.

149989276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149989277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646390 + ... + 646621.

It is an arithmetic number, because the mean of its divisors is an integer number (22627710).

Almost surely, 2^149989276 is an apocalyptic number.

It is an amenable number.

149989276 is a deficient number, since it is larger than the sum of its proper divisors (121543244).

149989276 is a wasteful number, since it uses less digits than its factorization.

149989276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293044 (or 1293042 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 149989276 is about 12247.0109006239. The cubic root of 149989276 is about 531.3166221223.

The spelling of 149989276 in words is "one hundred forty-nine million, nine hundred eighty-nine thousand, two hundred seventy-six".