452454123140 has 24 divisors (see below), whose sum is σ = 1006045051032. Its totient is φ = 170335669760.

The previous prime is 452454123103. The next prime is 452454123167. The reversal of 452454123140 is 41321454254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 149108733316 + 303345389824 = 386146^2 + 550768^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 452454123140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665373371 + ... + 665374050.

It is an arithmetic number, because the mean of its divisors is an integer number (41918543793).

Almost surely, 2^452454123140 is an apocalyptic number.

It is an amenable number.

452454123140 is an abundant number, since it is smaller than the sum of its proper divisors (553590927892).

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

452454123140 is a wasteful number, since it uses less digits than its factorization.

452454123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330747447 (or 1330747445 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 452454123140 its reverse (41321454254), we get a palindrome (493775577394).

The spelling of 452454123140 in words is "four hundred fifty-two billion, four hundred fifty-four million, one hundred twenty-three thousand, one hundred forty".