45449983 has 2 divisors, whose sum is σ = 45449984. Its totient is φ = 45449982.

The previous prime is 45449981. The next prime is 45450007. The reversal of 45449983 is 38994454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45449983 - 2¹ = 45449981 is a prime.

Together with 45449981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45449981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724991 + 22724992.

It is an arithmetic number, because the mean of its divisors is an integer number (22724992).

Almost surely, 2^45449983 is an apocalyptic number.

45449983 is a deficient number, since it is larger than the sum of its proper divisors (1).

45449983 is an equidigital number, since it uses as much as digits as its factorization.

45449983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 45449983 is about 6741.6602554564. The cubic root of 45449983 is about 356.8709867633.

The spelling of 45449983 in words is "forty-five million, four hundred forty-nine thousand, nine hundred eighty-three".