1253522344145 has 8 divisors (see below), whose sum is σ = 1504232821440. Its totient is φ = 1002813869680.

The previous prime is 1253522344133. The next prime is 1253522344159. The reversal of 1253522344145 is 5414432253521.

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

It is not a de Polignac number, because 1253522344145 - 2³⁸ = 978644437201 is a prime.

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, 2247596 + ... + 2749314.

It is an arithmetic number, because the mean of its divisors is an integer number (188029102680).

Almost surely, 2^{1253522344145} is an apocalyptic number.

It is an amenable number.

1253522344145 is a deficient number, since it is larger than the sum of its proper divisors (250710477295).

1253522344145 is an equidigital number, since it uses as much as digits as its factorization.

1253522344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001415.

The product of its digits is 576000, while the sum is 41.

Adding to 1253522344145 its reverse (5414432253521), we get a palindrome (6667954597666).

The spelling of 1253522344145 in words is "one trillion, two hundred fifty-three billion, five hundred twenty-two million, three hundred forty-four thousand, one hundred forty-five".