252445455 has 24 divisors (see below), whose sum is σ = 438994608. Its totient is φ = 134199936.

The previous prime is 252445451. The next prime is 252445469. The reversal of 252445455 is 554544252.

252445455 is nontrivially palindromic in base 2 and base 4.

It is not a de Polignac number, because 252445455 - 2² = 252445451 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252445451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5124 + ... + 23046.

It is an arithmetic number, because the mean of its divisors is an integer number (18291442).

Almost surely, 2^252445455 is an apocalyptic number.

252445455 is a deficient number, since it is larger than the sum of its proper divisors (186549153).

252445455 is a wasteful number, since it uses less digits than its factorization.

252445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18247 (or 18244 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 252445455 is about 15888.5321851957. The cubic root of 252445455 is about 632.0079171350.

The spelling of 252445455 in words is "two hundred fifty-two million, four hundred forty-five thousand, four hundred fifty-five".