45861481 has 2 divisors, whose sum is σ = 45861482. Its totient is φ = 45861480.

The previous prime is 45861479. The next prime is 45861509. The reversal of 45861481 is 18416854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 17505856 = 5325^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 45861481 - 2¹ = 45861479 is a prime.

It is a super-2 number, since 2×45861481² = 4206550879026722, which contains 22 as substring.

Together with 45861479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45861481.

It is not a weakly prime, because it can be changed into another prime (45861451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22930740 + 22930741.

It is an arithmetic number, because the mean of its divisors is an integer number (22930741).

Almost surely, 2^45861481 is an apocalyptic number.

It is an amenable number.

45861481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45861481 is an equidigital number, since it uses as much as digits as its factorization.

45861481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 45861481 is about 6772.1105277454. The cubic root of 45861481 is about 357.9447731668.

The spelling of 45861481 in words is "forty-five million, eight hundred sixty-one thousand, four hundred eighty-one".