45524881 has 2 divisors, whose sum is σ = 45524882. Its totient is φ = 45524880.

The previous prime is 45524879. The next prime is 45524887. The reversal of 45524881 is 18842554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32672656 + 12852225 = 5716^2 + 3585^2 .

It is a cyclic number.

It is not a de Polignac number, because 45524881 - 2¹ = 45524879 is a prime.

It is a super-2 number, since 2×45524881² = 4145029580128322, which contains 22 as substring.

Together with 45524879, 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 45524881.

It is not a weakly prime, because it can be changed into another prime (45524887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762440 + 22762441.

It is an arithmetic number, because the mean of its divisors is an integer number (22762441).

Almost surely, 2^45524881 is an apocalyptic number.

It is an amenable number.

45524881 is a deficient number, since it is larger than the sum of its proper divisors (1).

45524881 is an equidigital number, since it uses as much as digits as its factorization.

45524881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51200, while the sum is 37.

The square root of 45524881 is about 6747.2128319774. The cubic root of 45524881 is about 357.0669109598.

The spelling of 45524881 in words is "forty-five million, five hundred twenty-four thousand, eight hundred eighty-one".