452153642144 has 24 divisors (see below), whose sum is σ = 890221232628. Its totient is φ = 226065710080.

The previous prime is 452153642123. The next prime is 452153642153. The reversal of 452153642144 is 441246351254.

It can be written as a sum of positive squares in 2 ways, for example, as 446240032144 + 5913610000 = 668012^2 + 76900^2 .

It is a super-2 number, since 2×452153642144² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334664 + ... + 1008120.

Almost surely, 2^452153642144 is an apocalyptic number.

It is an amenable number.

452153642144 is a deficient number, since it is larger than the sum of its proper divisors (438067590484).

452153642144 is a wasteful number, since it uses less digits than its factorization.

452153642144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694448 (or 694440 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 452153642144 its reverse (441246351254), we get a palindrome (893399993398).

The spelling of 452153642144 in words is "four hundred fifty-two billion, one hundred fifty-three million, six hundred forty-two thousand, one hundred forty-four".