45844861 has 2 divisors, whose sum is σ = 45844862. Its totient is φ = 45844860.

The previous prime is 45844859. The next prime is 45844867. The reversal of 45844861 is 16844854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 4756761 = 6410^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 45844861 - 2¹ = 45844859 is a prime.

Together with 45844859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45844867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22922430 + 22922431.

It is an arithmetic number, because the mean of its divisors is an integer number (22922431).

Almost surely, 2^45844861 is an apocalyptic number.

It is an amenable number.

45844861 is a deficient number, since it is larger than the sum of its proper divisors (1).

45844861 is an equidigital number, since it uses as much as digits as its factorization.

45844861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 40.

The square root of 45844861 is about 6770.8833249437. The cubic root of 45844861 is about 357.9015287361.

The spelling of 45844861 in words is "forty-five million, eight hundred forty-four thousand, eight hundred sixty-one".