45661841 has 2 divisors, whose sum is σ = 45661842. Its totient is φ = 45661840.

The previous prime is 45661801. The next prime is 45661871. The reversal of 45661841 is 14816654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 490000 = 6721^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 45661841 - 2¹⁰ = 45660817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45661801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22830920 + 22830921.

It is an arithmetic number, because the mean of its divisors is an integer number (22830921).

Almost surely, 2^45661841 is an apocalyptic number.

It is an amenable number.

45661841 is a deficient number, since it is larger than the sum of its proper divisors (1).

45661841 is an equidigital number, since it uses as much as digits as its factorization.

45661841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 45661841 is about 6757.3545859308. The cubic root of 45661841 is about 357.4246268797.

The spelling of 45661841 in words is "forty-five million, six hundred sixty-one thousand, eight hundred forty-one".