149621824 has 63 divisors (see below), whose sum is σ = 328715751. Its totient is φ = 67520640.

The previous prime is 149621803. The next prime is 149621839. The reversal of 149621824 is 428126941.

The square root of 149621824 is 12232.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1076347 + ... + 1076485.

Almost surely, 2^149621824 is an apocalyptic number.

149621824 is the 12232-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149621824

149621824 is an abundant number, since it is smaller than the sum of its proper divisors (179093927).

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

149621824 is an equidigital number, since it uses as much as digits as its factorization.

149621824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 152 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The cubic root of 149621824 is about 530.8823844018.

The spelling of 149621824 in words is "one hundred forty-nine million, six hundred twenty-one thousand, eight hundred twenty-four".