45666541 has 2 divisors, whose sum is σ = 45666542. Its totient is φ = 45666540.

The previous prime is 45666527. The next prime is 45666571. The reversal of 45666541 is 14566654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44555625 + 1110916 = 6675^2 + 1054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45666541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45666541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45666571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22833270 + 22833271.

It is an arithmetic number, because the mean of its divisors is an integer number (22833271).

Almost surely, 2^45666541 is an apocalyptic number.

It is an amenable number.

45666541 is a deficient number, since it is larger than the sum of its proper divisors (1).

45666541 is an equidigital number, since it uses as much as digits as its factorization.

45666541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 45666541 is about 6757.7023462121. The cubic root of 45666541 is about 357.4368897676.

The spelling of 45666541 in words is "forty-five million, six hundred sixty-six thousand, five hundred forty-one".