45255769 has 4 divisors (see below), whose sum is σ = 48736996. Its totient is φ = 41774544.

The previous prime is 45255767. The next prime is 45255779. The reversal of 45255769 is 96755254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96755254 = 2 ⋅48377627.

It can be written as a sum of positive squares in 2 ways, for example, as 19245769 + 26010000 = 4387^2 + 5100^2 .

It is a cyclic number.

It is not a de Polignac number, because 45255769 - 2¹ = 45255767 is a prime.

It is a super-2 number, since 2×45255769² = 4096169255562722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45255761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740594 + ... + 1740619.

It is an arithmetic number, because the mean of its divisors is an integer number (12184249).

Almost surely, 2^45255769 is an apocalyptic number.

It is an amenable number.

45255769 is a deficient number, since it is larger than the sum of its proper divisors (3481227).

45255769 is a wasteful number, since it uses less digits than its factorization.

45255769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481226.

The product of its digits is 378000, while the sum is 43.

The square root of 45255769 is about 6727.2408162634. The cubic root of 45255769 is about 356.3619414711.

The spelling of 45255769 in words is "forty-five million, two hundred fifty-five thousand, seven hundred sixty-nine".