152389220 has 24 divisors (see below), whose sum is σ = 320463864. Its totient is φ = 60870656.

The previous prime is 152389219. The next prime is 152389297. The reversal of 152389220 is 22983251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14884 + 152374336 = 122^2 + 12344^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10532 + ... + 20388.

It is an arithmetic number, because the mean of its divisors is an integer number (13352661).

Almost surely, 2^152389220 is an apocalyptic number.

152389220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152389220 is an abundant number, since it is smaller than the sum of its proper divisors (168074644).

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

152389220 is a wasteful number, since it uses less digits than its factorization.

152389220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639 (or 10637 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 152389220 is about 12344.6028692704. The cubic root of 152389220 is about 534.1354657325.

The spelling of 152389220 in words is "one hundred fifty-two million, three hundred eighty-nine thousand, two hundred twenty".