45243727 has 2 divisors, whose sum is σ = 45243728. Its totient is φ = 45243726.

The previous prime is 45243719. The next prime is 45243743. The reversal of 45243727 is 72734254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45243727 - 2³ = 45243719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45243692 and 45243701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45243767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621863 + 22621864.

It is an arithmetic number, because the mean of its divisors is an integer number (22621864).

Almost surely, 2^45243727 is an apocalyptic number.

45243727 is a deficient number, since it is larger than the sum of its proper divisors (1).

45243727 is an equidigital number, since it uses as much as digits as its factorization.

45243727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 34.

The square root of 45243727 is about 6726.3457389581. The cubic root of 45243727 is about 356.3303308332.

The spelling of 45243727 in words is "forty-five million, two hundred forty-three thousand, seven hundred twenty-seven".