7245452147506 has 4 divisors (see below), whose sum is σ = 10868178221262. Its totient is φ = 3622726073752.

The previous prime is 7245452147503. The next prime is 7245452147519. The reversal of 7245452147506 is 6057412545427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6550738232481 + 694713915025 = 2559441^2 + 833495^2 .

It is not an unprimeable number, because it can be changed into a prime (7245452147503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811363036875 + ... + 1811363036878.

Almost surely, 2^{7245452147506} is an apocalyptic number.

7245452147506 is a deficient number, since it is larger than the sum of its proper divisors (3622726073756).

7245452147506 is a wasteful number, since it uses less digits than its factorization.

7245452147506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622726073755.

The product of its (nonzero) digits is 9408000, while the sum is 52.

The spelling of 7245452147506 in words is "seven trillion, two hundred forty-five billion, four hundred fifty-two million, one hundred forty-seven thousand, five hundred six".