7245143645552 has 20 divisors (see below), whose sum is σ = 14039608813776. Its totient is φ = 3622018790400.

The previous prime is 7245143645539. The next prime is 7245143645561. The reversal of 7245143645552 is 2555463415427.

It is a junction number, because it is equal to n+sod(n) for n = 7245143645494 and 7245143645503.

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, 34456433 + ... + 34666064.

Almost surely, 2^{7245143645552} is an apocalyptic number.

It is an amenable number.

7245143645552 is a deficient number, since it is larger than the sum of its proper divisors (6794465168224).

7245143645552 is a wasteful number, since it uses less digits than its factorization.

7245143645552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69129056 (or 69129050 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 53.

The spelling of 7245143645552 in words is "seven trillion, two hundred forty-five billion, one hundred forty-three million, six hundred forty-five thousand, five hundred fifty-two".