7245143645524 has 12 divisors (see below), whose sum is σ = 12735857889664. Its totient is φ = 3606327105624.

The previous prime is 7245143645521. The next prime is 7245143645527. The reversal of 7245143645524 is 4255463415427.

It is an interprime number because it is at equal distance from previous prime (7245143645521) and next prime (7245143645527).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7245143645521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4061178282 + ... + 4061180065.

Almost surely, 2^{7245143645524} is an apocalyptic number.

It is an amenable number.

7245143645524 is a deficient number, since it is larger than the sum of its proper divisors (5490714244140).

7245143645524 is a wasteful number, since it uses less digits than its factorization.

7245143645524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8122358574 (or 8122358572 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 52.

The spelling of 7245143645524 in words is "seven trillion, two hundred forty-five billion, one hundred forty-three million, six hundred forty-five thousand, five hundred twenty-four".