252443124235145 has 8 divisors (see below), whose sum is σ = 306766328184960. Its totient is φ = 199398113319600.

The previous prime is 252443124235139. The next prime is 252443124235187. The reversal of 252443124235145 is 541532421344252.

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

It is not a de Polignac number, because 252443124235145 - 2¹⁰ = 252443124234121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252443124235145.

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, 319548258131 + ... + 319548258920.

It is an arithmetic number, because the mean of its divisors is an integer number (38345791023120).

Almost surely, 2^{252443124235145} is an apocalyptic number.

It is an amenable number.

252443124235145 is a deficient number, since it is larger than the sum of its proper divisors (54323203949815).

252443124235145 is an equidigital number, since it uses as much as digits as its factorization.

252443124235145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639096517135.

The product of its digits is 4608000, while the sum is 47.

Adding to 252443124235145 its reverse (541532421344252), we get a palindrome (793975545579397).

The spelling of 252443124235145 in words is "two hundred fifty-two trillion, four hundred forty-three billion, one hundred twenty-four million, two hundred thirty-five thousand, one hundred forty-five".