45775261 has 12 divisors (see below), whose sum is σ = 53359068. Its totient is φ = 39154752.

The previous prime is 45775259. The next prime is 45775397. The reversal of 45775261 is 16257754.

It can be written as a sum of positive squares in 2 ways, for example, as 19448100 + 26327161 = 4410^2 + 5131^2 .

It is not a de Polignac number, because 45775261 - 2¹ = 45775259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45775261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45775211) 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, 45415 + ... + 46411.

It is an arithmetic number, because the mean of its divisors is an integer number (4446589).

Almost surely, 2^45775261 is an apocalyptic number.

It is an amenable number.

45775261 is a deficient number, since it is larger than the sum of its proper divisors (7583807).

45775261 is an equidigital number, since it uses as much as digits as its factorization.

45775261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1941 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 45775261 is about 6765.7417183927. The cubic root of 45775261 is about 357.7203193102.

The spelling of 45775261 in words is "forty-five million, seven hundred seventy-five thousand, two hundred sixty-one".