2265924545 has 4 divisors (see below), whose sum is σ = 2719109460. Its totient is φ = 1812739632.

The previous prime is 2265924533. The next prime is 2265924587. The reversal of 2265924545 is 5454295622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5454295622 = 2 ⋅2727147811.

It can be written as a sum of positive squares in 2 ways, for example, as 1003685761 + 1262238784 = 31681^2 + 35528^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265924545 - 2⁶ = 2265924481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2265924496 and 2265924505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226592450 + ... + 226592459.

It is an arithmetic number, because the mean of its divisors is an integer number (679777365).

Almost surely, 2^2265924545 is an apocalyptic number.

It is an amenable number.

2265924545 is a deficient number, since it is larger than the sum of its proper divisors (453184915).

2265924545 is an equidigital number, since it uses as much as digits as its factorization.

2265924545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453184914.

The product of its digits is 864000, while the sum is 44.

The square root of 2265924545 is about 47601.7283824863. The cubic root of 2265924545 is about 1313.4548482752.

The spelling of 2265924545 in words is "two billion, two hundred sixty-five million, nine hundred twenty-four thousand, five hundred forty-five".