152553220 has 24 divisors (see below), whose sum is σ = 329021784. Its totient is φ = 59371776.

The previous prime is 152553179. The next prime is 152553229. The reversal of 152553220 is 22355251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85673536 + 66879684 = 9256^2 + 8178^2 .

It is not an unprimeable number, because it can be changed into a prime (152553229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102337 + ... + 103816.

It is an arithmetic number, because the mean of its divisors is an integer number (13709241).

Almost surely, 2^152553220 is an apocalyptic number.

152553220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152553220 is an abundant number, since it is smaller than the sum of its proper divisors (176468564).

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

152553220 is a wasteful number, since it uses less digits than its factorization.

152553220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206199 (or 206197 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 152553220 is about 12351.2436620771. The cubic root of 152553220 is about 534.3270077392.

It can be divided in two parts, 1525 and 53220, that added together give a palindrome (54745).

The spelling of 152553220 in words is "one hundred fifty-two million, five hundred fifty-three thousand, two hundred twenty".