7245460156057 has 4 divisors (see below), whose sum is σ = 7441283403556. Its totient is φ = 7049636908560.

The previous prime is 7245460156027. The next prime is 7245460156091. The reversal of 7245460156057 is 7506510645427.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6685022262681 + 560437893376 = 2585541^2 + 748624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7245460156057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7245460155995 and 7245460156013.

It is not an unprimeable number, because it can be changed into a prime (7245460156027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97911623694 + ... + 97911623767.

It is an arithmetic number, because the mean of its divisors is an integer number (1860320850889).

Almost surely, 2^{7245460156057} is an apocalyptic number.

It is an amenable number.

7245460156057 is a deficient number, since it is larger than the sum of its proper divisors (195823247499).

7245460156057 is a wasteful number, since it uses less digits than its factorization.

7245460156057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195823247498.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 7245460156057 in words is "seven trillion, two hundred forty-five billion, four hundred sixty million, one hundred fifty-six thousand, fifty-seven".