7522144345 has 16 divisors (see below), whose sum is σ = 9170679168. Its totient is φ = 5921959680.

The previous prime is 7522144339. The next prime is 7522144351. The reversal of 7522144345 is 5434412257.

It is an interprime number because it is at equal distance from previous prime (7522144339) and next prime (7522144351).

It is a de Polignac number, because none of the positive numbers 2^k-7522144345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174817 + ... + 213553.

It is an arithmetic number, because the mean of its divisors is an integer number (573167448).

Almost surely, 2^7522144345 is an apocalyptic number.

It is an amenable number.

7522144345 is a deficient number, since it is larger than the sum of its proper divisors (1648534823).

7522144345 is a wasteful number, since it uses less digits than its factorization.

7522144345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39360.

The product of its digits is 134400, while the sum is 37.

The square root of 7522144345 is about 86730.2965808373. The cubic root of 7522144345 is about 1959.3584205291.

The spelling of 7522144345 in words is "seven billion, five hundred twenty-two million, one hundred forty-four thousand, three hundred forty-five".