45551941 has 2 divisors, whose sum is σ = 45551942. Its totient is φ = 45551940.

The previous prime is 45551939. The next prime is 45551951. The reversal of 45551941 is 14915554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 2924100 = 6529^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 45551941 - 2¹ = 45551939 is a prime.

Together with 45551939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 45551897 and 45551906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45551951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775970 + 22775971.

It is an arithmetic number, because the mean of its divisors is an integer number (22775971).

Almost surely, 2^45551941 is an apocalyptic number.

It is an amenable number.

45551941 is a deficient number, since it is larger than the sum of its proper divisors (1).

45551941 is an equidigital number, since it uses as much as digits as its factorization.

45551941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 34.

The square root of 45551941 is about 6749.2178065314. The cubic root of 45551941 is about 357.1376438325.

The spelling of 45551941 in words is "forty-five million, five hundred fifty-one thousand, nine hundred forty-one".