252430105145 has 8 divisors (see below), whose sum is σ = 307881964680. Its totient is φ = 198633525120.

The previous prime is 252430105141. The next prime is 252430105157. The reversal of 252430105145 is 541501034252.

It can be written as a sum of positive squares in 4 ways, for example, as 11631838201 + 240798266944 = 107851^2 + 490712^2 .

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

It is not a de Polignac number, because 252430105145 - 2² = 252430105141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252430105141) 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, 413819540 + ... + 413820149.

It is an arithmetic number, because the mean of its divisors is an integer number (38485245585).

Almost surely, 2^252430105145 is an apocalyptic number.

It is an amenable number.

252430105145 is a deficient number, since it is larger than the sum of its proper divisors (55451859535).

252430105145 is an equidigital number, since it uses as much as digits as its factorization.

252430105145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827639755.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 252430105145 its reverse (541501034252), we get a palindrome (793931139397).

The spelling of 252430105145 in words is "two hundred fifty-two billion, four hundred thirty million, one hundred five thousand, one hundred forty-five".