445153122 has 18 divisors (see below), whose sum is σ = 964692417. Its totient is φ = 148354536.

The previous prime is 445153097. The next prime is 445153123. The reversal of 445153122 is 221351544.

It can be written as a sum of positive squares in 2 ways, for example, as 435097881 + 10055241 = 20859^2 + 3171^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14919.

It is a super-2 number, since 2×445153122² = 396322604052693768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445153123) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 87028 + ... + 92000.

Almost surely, 2^445153122 is an apocalyptic number.

445153122 is an abundant number, since it is smaller than the sum of its proper divisors (519539295).

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

445153122 is an frugal number, since it uses more digits than its factorization.

445153122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954 (or 4978 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 445153122 is about 21098.6521370442. The cubic root of 445153122 is about 763.5482296167.

The spelling of 445153122 in words is "four hundred forty-five million, one hundred fifty-three thousand, one hundred twenty-two".