149674272 has 96 divisors (see below), whose sum is σ = 439193664. Its totient is φ = 44236800.

The previous prime is 149674243. The next prime is 149674277. The reversal of 149674272 is 272476941.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (149674277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41568 + ... + 45024.

It is an arithmetic number, because the mean of its divisors is an integer number (4574934).

Almost surely, 2^149674272 is an apocalyptic number.

149674272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149674272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219596832).

149674272 is an abundant number, since it is smaller than the sum of its proper divisors (289519392).

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

149674272 is a wasteful number, since it uses less digits than its factorization.

149674272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3514 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 149674272 is about 12234.1436970472. The cubic root of 149674272 is about 530.9444084786.

The spelling of 149674272 in words is "one hundred forty-nine million, six hundred seventy-four thousand, two hundred seventy-two".