152220256 has 24 divisors (see below), whose sum is σ = 312714864. Its totient is φ = 72800640.

The previous prime is 152220247. The next prime is 152220259. The reversal of 152220256 is 652022251.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 152220256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152220259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102675 + ... + 104146.

It is an arithmetic number, because the mean of its divisors is an integer number (13029786).

Almost surely, 2^152220256 is an apocalyptic number.

152220256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

152220256 is an abundant number, since it is smaller than the sum of its proper divisors (160494608).

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

152220256 is a wasteful number, since it uses less digits than its factorization.

152220256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206854 (or 206846 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 152220256 is about 12337.7573326760. The cubic root of 152220256 is about 533.9379822958.

The spelling of 152220256 in words is "one hundred fifty-two million, two hundred twenty thousand, two hundred fifty-six".