149673472 has 80 divisors (see below), whose sum is σ = 326541600. Its totient is φ = 68124672.

The previous prime is 149673449. The next prime is 149673509. The reversal of 149673472 is 274376941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752029 + ... + 752227.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 2^149673472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149673472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163270800).

149673472 is an abundant number, since it is smaller than the sum of its proper divisors (176868128).

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

149673472 is a wasteful number, since it uses less digits than its factorization.

149673472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 327 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 149673472 is about 12234.1110016217. Note that the first 3 decimals coincide. The cubic root of 149673472 is about 530.9434625216.

The spelling of 149673472 in words is "one hundred forty-nine million, six hundred seventy-three thousand, four hundred seventy-two".