45445843 has 2 divisors, whose sum is σ = 45445844. Its totient is φ = 45445842.

The previous prime is 45445837. The next prime is 45445901. The reversal of 45445843 is 34854454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45445843 - 2⁹ = 45445331 is a prime.

It is not a weakly prime, because it can be changed into another prime (45445823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722921 + 22722922.

It is an arithmetic number, because the mean of its divisors is an integer number (22722922).

Almost surely, 2^45445843 is an apocalyptic number.

45445843 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445843 is an equidigital number, since it uses as much as digits as its factorization.

45445843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 37.

The square root of 45445843 is about 6741.3532024364. The cubic root of 45445843 is about 356.8601507435.

The spelling of 45445843 in words is "forty-five million, four hundred forty-five thousand, eight hundred forty-three".