45319543 has 2 divisors, whose sum is σ = 45319544. Its totient is φ = 45319542.

The previous prime is 45319481. The next prime is 45319553. The reversal of 45319543 is 34591354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45319543 - 2⁹ = 45319031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45319499 and 45319508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45319553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22659771 + 22659772.

It is an arithmetic number, because the mean of its divisors is an integer number (22659772).

Almost surely, 2^45319543 is an apocalyptic number.

45319543 is a deficient number, since it is larger than the sum of its proper divisors (1).

45319543 is an equidigital number, since it uses as much as digits as its factorization.

45319543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 45319543 is about 6731.9791294982. The cubic root of 45319543 is about 356.5292568574.

The spelling of 45319543 in words is "forty-five million, three hundred nineteen thousand, five hundred forty-three".