45243983 has 2 divisors, whose sum is σ = 45243984. Its totient is φ = 45243982.

The previous prime is 45243971. The next prime is 45244019. The reversal of 45243983 is 38934254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45243983 - 2⁸ = 45243727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45243943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621991 + 22621992.

It is an arithmetic number, because the mean of its divisors is an integer number (22621992).

Almost surely, 2^45243983 is an apocalyptic number.

45243983 is a deficient number, since it is larger than the sum of its proper divisors (1).

45243983 is an equidigital number, since it uses as much as digits as its factorization.

45243983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 45243983 is about 6726.3647685804. The cubic root of 45243983 is about 356.3310028998.

The spelling of 45243983 in words is "forty-five million, two hundred forty-three thousand, nine hundred eighty-three".