252144515045 has 4 divisors (see below), whose sum is σ = 302573418060. Its totient is φ = 201715612032.

The previous prime is 252144515011. The next prime is 252144515053. The reversal of 252144515045 is 540515441252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59499893476 + 192644621569 = 243926^2 + 438913^2 .

It is a cyclic number.

It is not a de Polignac number, because 252144515045 - 2¹² = 252144510949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25214451500 + ... + 25214451509.

It is an arithmetic number, because the mean of its divisors is an integer number (75643354515).

Almost surely, 2^252144515045 is an apocalyptic number.

It is an amenable number.

252144515045 is a deficient number, since it is larger than the sum of its proper divisors (50428903015).

252144515045 is an equidigital number, since it uses as much as digits as its factorization.

252144515045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428903014.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 252144515045 its reverse (540515441252), we get a palindrome (792659956297).

The spelling of 252144515045 in words is "two hundred fifty-two billion, one hundred forty-four million, five hundred fifteen thousand, forty-five".