252145054143 has 20 divisors (see below), whose sum is σ = 393037704048. Its totient is φ = 160788149280.

The previous prime is 252145054127. The next prime is 252145054151. The reversal of 252145054143 is 341450541252.

252145054143 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 4 + 505 + 4 + 143 = 666.

It is not a de Polignac number, because 252145054143 - 2⁴ = 252145054127 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 252145054098 and 252145054107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252145054163) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67669918 + ... + 67673643.

Almost surely, 2^252145054143 is an apocalyptic number.

252145054143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

252145054143 is a deficient number, since it is larger than the sum of its proper divisors (140892649905).

252145054143 is a wasteful number, since it uses less digits than its factorization.

252145054143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135343596 (or 135343587 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 252145054143 its reverse (341450541252), we get a palindrome (593595595395).

The spelling of 252145054143 in words is "two hundred fifty-two billion, one hundred forty-five million, fifty-four thousand, one hundred forty-three".