45981941 has 2 divisors, whose sum is σ = 45981942.
Its totient is φ = 45981940.
The previous prime is 45981937. The next prime is 45981953. The reversal of 45981941 is 14918954.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41550916 + 4431025 = 6446^2 + 2105^2
It is a cyclic number.
It is not a de Polignac number, because 45981941 - 22 = 45981937 is a prime.
It is a super-2 number, since 2×459819412 = 4228677796254962, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (45941941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22990970 + 22990971.
It is an arithmetic number, because the mean of its divisors is an integer number (22990971).
Almost surely, 245981941 is an apocalyptic number.
It is an amenable number.
45981941 is a deficient number, since it is larger than the sum of its proper divisors (1).
45981941 is an equidigital number, since it uses as much as digits as its factorization.
45981941 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 51840, while the sum is 41.
The square root of 45981941 is about 6780.9985252911.
The cubic root of 45981941 is about 358.2578923690.
The spelling of 45981941 in words is "forty-five million, nine hundred eighty-one thousand, nine hundred forty-one".