152321280 has 72 divisors (see below), whose sum is σ = 486488352. Its totient is φ = 40617984.

The previous prime is 152321263. The next prime is 152321291. The reversal of 152321280 is 82123251.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 152321280.

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, 15994 + ... + 23673.

Almost surely, 2^152321280 is an apocalyptic number.

152321280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152321280 is an abundant number, since it is smaller than the sum of its proper divisors (334167072).

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

152321280 is an equidigital number, since it uses as much as digits as its factorization.

152321280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39691 (or 39677 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 152321280 is about 12341.8507526222. The cubic root of 152321280 is about 534.0560756947.

The spelling of 152321280 in words is "one hundred fifty-two million, three hundred twenty-one thousand, two hundred eighty".