445152253 has 12 divisors (see below), whose sum is σ = 550891488. Its totient is φ = 352207440.

The previous prime is 445152199. The next prime is 445152271. The reversal of 445152253 is 352251544.

It is a de Polignac number, because none of the positive numbers 2^k-445152253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445152053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186963 + ... + 189328.

It is an arithmetic number, because the mean of its divisors is an integer number (45907624).

Almost surely, 2^445152253 is an apocalyptic number.

It is an amenable number.

445152253 is a deficient number, since it is larger than the sum of its proper divisors (105739235).

445152253 is a wasteful number, since it uses less digits than its factorization.

445152253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376324 (or 376311 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 445152253 is about 21098.6315433016. The cubic root of 445152253 is about 763.5477327661.

The spelling of 445152253 in words is "four hundred forty-five million, one hundred fifty-two thousand, two hundred fifty-three".