445153252 has 6 divisors (see below), whose sum is σ = 779018198. Its totient is φ = 222576624.

The previous prime is 445153213. The next prime is 445153297. The reversal of 445153252 is 252351544.

It can be written as a sum of positive squares in only one way, i.e., 382046116 + 63107136 = 19546^2 + 7944^2 .

It is a super-2 number, since 2×445153252² = 396322835532351008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55644153 + ... + 55644160.

Almost surely, 2^445153252 is an apocalyptic number.

It is an amenable number.

445153252 is a deficient number, since it is larger than the sum of its proper divisors (333864946).

445153252 is a wasteful number, since it uses less digits than its factorization.

445153252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111288317 (or 111288315 counting only the distinct ones).

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

The square root of 445153252 is about 21098.6552178095. The cubic root of 445153252 is about 763.5483039441.

The spelling of 445153252 in words is "four hundred forty-five million, one hundred fifty-three thousand, two hundred fifty-two".