452155243512 has 32 divisors (see below), whose sum is σ = 1291872124800. Its totient is φ = 129187212384.

The previous prime is 452155243453. The next prime is 452155243531. The reversal of 452155243512 is 215342551254.

It is a super-3 number, since 3×452155243512³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

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, 1345699962 + ... + 1345700297.

It is an arithmetic number, because the mean of its divisors is an integer number (40371003900).

Almost surely, 2^452155243512 is an apocalyptic number.

452155243512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

452155243512 is an abundant number, since it is smaller than the sum of its proper divisors (839716881288).

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

452155243512 is a wasteful number, since it uses less digits than its factorization.

452155243512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691400275 (or 2691400271 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

Adding to 452155243512 its reverse (215342551254), we get a palindrome (667497794766).

The spelling of 452155243512 in words is "four hundred fifty-two billion, one hundred fifty-five million, two hundred forty-three thousand, five hundred twelve".