45641441 has 2 divisors, whose sum is σ = 45641442. Its totient is φ = 45641440.

The previous prime is 45641437. The next prime is 45641443. The reversal of 45641441 is 14414654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31315216 + 14326225 = 5596^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 45641441 - 2² = 45641437 is a prime.

It is a super-2 number, since 2×45641441² = 4166282273112962, which contains 22 as substring.

Together with 45641443, 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 (45641443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22820720 + 22820721.

It is an arithmetic number, because the mean of its divisors is an integer number (22820721).

Almost surely, 2^45641441 is an apocalyptic number.

It is an amenable number.

45641441 is a deficient number, since it is larger than the sum of its proper divisors (1).

45641441 is an equidigital number, since it uses as much as digits as its factorization.

45641441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

The square root of 45641441 is about 6755.8449508555. The cubic root of 45641441 is about 357.3713909731.

The spelling of 45641441 in words is "forty-five million, six hundred forty-one thousand, four hundred forty-one".