1545312245253 has 48 divisors (see below), whose sum is σ = 2538004938624. Its totient is φ = 831025090560.

The previous prime is 1545312245249. The next prime is 1545312245261. The reversal of 1545312245253 is 3525422135451.

It is not a de Polignac number, because 1545312245253 - 2² = 1545312245249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545312245293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55941301 + ... + 55968917.

It is an arithmetic number, because the mean of its divisors is an integer number (52875102888).

Almost surely, 2^{1545312245253} is an apocalyptic number.

It is an amenable number.

1545312245253 is a deficient number, since it is larger than the sum of its proper divisors (992692693371).

1545312245253 is a wasteful number, since it uses less digits than its factorization.

1545312245253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50042 (or 50035 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 1545312245253 in words is "one trillion, five hundred forty-five billion, three hundred twelve million, two hundred forty-five thousand, two hundred fifty-three".