149979528 has 96 divisors (see below), whose sum is σ = 419459040. Its totient is φ = 48384000.

The previous prime is 149979523. The next prime is 149979539. The reversal of 149979528 is 825979941.

149979528 is a `hidden beast` number, since 1 + 49 + 9 + 79 + 528 = 666.

It is not an unprimeable number, because it can be changed into a prime (149979523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597403 + ... + 597653.

It is an arithmetic number, because the mean of its divisors is an integer number (4369365).

Almost surely, 2^149979528 is an apocalyptic number.

149979528 is a gapful number since it is divisible by the number (18) 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 149979528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209729520).

149979528 is an abundant number, since it is smaller than the sum of its proper divisors (269479512).

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

149979528 is a wasteful number, since it uses less digits than its factorization.

149979528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 492 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 149979528 is about 12246.6129194974. The cubic root of 149979528 is about 531.3051115513.

The spelling of 149979528 in words is "one hundred forty-nine million, nine hundred seventy-nine thousand, five hundred twenty-eight".