45001841 has 2 divisors, whose sum is σ = 45001842. Its totient is φ = 45001840.

The previous prime is 45001829. The next prime is 45001843. The reversal of 45001841 is 14810054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 9480241 = 5960^2 + 3079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45001841 is a prime.

Together with 45001843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45001843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500920 + 22500921.

It is an arithmetic number, because the mean of its divisors is an integer number (22500921).

Almost surely, 2^45001841 is an apocalyptic number.

It is an amenable number.

45001841 is a deficient number, since it is larger than the sum of its proper divisors (1).

45001841 is an equidigital number, since it uses as much as digits as its factorization.

45001841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 45001841 is about 6708.3411511342. The cubic root of 45001841 is about 355.6941809314.

Adding to 45001841 its reverse (14810054), we get a palindrome (59811895).

The spelling of 45001841 in words is "forty-five million, one thousand, eight hundred forty-one".