452121131543 has 8 divisors (see below), whose sum is σ = 478731259440. Its totient is φ = 425512644480.

The previous prime is 452121131533. The next prime is 452121131633. The reversal of 452121131543 is 345131121254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452121131543 is a prime.

It is a super-3 number, since 3×452121131543³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452121131533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181493 + ... + 968081.

It is an arithmetic number, because the mean of its divisors is an integer number (59841407430).

Almost surely, 2^452121131543 is an apocalyptic number.

452121131543 is a deficient number, since it is larger than the sum of its proper divisors (26610127897).

452121131543 is a wasteful number, since it uses less digits than its factorization.

452121131543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820417.

The product of its digits is 14400, while the sum is 32.

Adding to 452121131543 its reverse (345131121254), we get a palindrome (797252252797).

The spelling of 452121131543 in words is "four hundred fifty-two billion, one hundred twenty-one million, one hundred thirty-one thousand, five hundred forty-three".