2456356545 has 12 divisors (see below), whose sum is σ = 4257684756. Its totient is φ = 1310056800.

The previous prime is 2456356543. The next prime is 2456356549. The reversal of 2456356545 is 5456536542.

2456356545 is a `hidden beast` number, since 2 + 4 + 5 + 635 + 6 + 5 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1336048704 + 1120307841 = 36552^2 + 33471^2 .

It is not a de Polignac number, because 2456356545 - 2¹ = 2456356543 is a prime.

It is a super-5 number, since 5×2456356545⁵ (a number of 48 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 54585701 = 2456356545 / (2 + 4 + 5 + 6 + 3 + 5 + 6 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2456356545.

It is not an unprimeable number, because it can be changed into a prime (2456356543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27292806 + ... + 27292895.

It is an arithmetic number, because the mean of its divisors is an integer number (354807063).

Almost surely, 2^2456356545 is an apocalyptic number.

It is an amenable number.

2456356545 is a deficient number, since it is larger than the sum of its proper divisors (1801328211).

2456356545 is a wasteful number, since it uses less digits than its factorization.

2456356545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54585712 (or 54585709 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The square root of 2456356545 is about 49561.6438892013. The cubic root of 2456356545 is about 1349.2646283078.

The spelling of 2456356545 in words is "two billion, four hundred fifty-six million, three hundred fifty-six thousand, five hundred forty-five".