45519941 has 2 divisors, whose sum is σ = 45519942. Its totient is φ = 45519940.

The previous prime is 45519919. The next prime is 45519949. The reversal of 45519941 is 14991554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 348100 = 6721^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45519941 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45519895 and 45519904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45519949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22759970 + 22759971.

It is an arithmetic number, because the mean of its divisors is an integer number (22759971).

Almost surely, 2^45519941 is an apocalyptic number.

It is an amenable number.

45519941 is a deficient number, since it is larger than the sum of its proper divisors (1).

45519941 is an equidigital number, since it uses as much as digits as its factorization.

45519941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 45519941 is about 6746.8467449617. The cubic root of 45519941 is about 357.0539951337.

The spelling of 45519941 in words is "forty-five million, five hundred nineteen thousand, nine hundred forty-one".