149296728 has 96 divisors (see below), whose sum is σ = 439948800. Its totient is φ = 42090048.

The previous prime is 149296723. The next prime is 149296733. The reversal of 149296728 is 827692941.

It is an interprime number because it is at equal distance from previous prime (149296723) and next prime (149296733).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149296723) 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, 92101 + ... + 93707.

It is an arithmetic number, because the mean of its divisors is an integer number (4582800).

Almost surely, 2^149296728 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 149296728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219974400).

149296728 is an abundant number, since it is smaller than the sum of its proper divisors (290652072).

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

149296728 is a wasteful number, since it uses less digits than its factorization.

149296728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709 (or 1698 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 149296728 is about 12218.7040229314. The cubic root of 149296728 is about 530.4976078927.

The spelling of 149296728 in words is "one hundred forty-nine million, two hundred ninety-six thousand, seven hundred twenty-eight".