7545115456 has 14 divisors (see below), whose sum is σ = 14972338610. Its totient is φ = 3772557696.

The previous prime is 7545115439. The next prime is 7545115481. The reversal of 7545115456 is 6545115457.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5086542400 + 2458573056 = 71320^2 + 49584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58946151 + ... + 58946278.

Almost surely, 2^7545115456 is an apocalyptic number.

It is an amenable number.

7545115456 is a deficient number, since it is larger than the sum of its proper divisors (7427223154).

7545115456 is a wasteful number, since it uses less digits than its factorization.

7545115456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117892441 (or 117892431 counting only the distinct ones).

The product of its digits is 420000, while the sum is 43.

The square root of 7545115456 is about 86862.6240450978. The cubic root of 7545115456 is about 1961.3508887894.

Subtracting from 7545115456 its reverse (6545115457), we obtain a palindrome (999999999).

The spelling of 7545115456 in words is "seven billion, five hundred forty-five million, one hundred fifteen thousand, four hundred fifty-six".