45408943 has 2 divisors, whose sum is σ = 45408944. Its totient is φ = 45408942.

The previous prime is 45408929. The next prime is 45408959. The reversal of 45408943 is 34980454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45408943 - 2⁹ = 45408431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45406943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22704471 + 22704472.

It is an arithmetic number, because the mean of its divisors is an integer number (22704472).

Almost surely, 2^45408943 is an apocalyptic number.

45408943 is a deficient number, since it is larger than the sum of its proper divisors (1).

45408943 is an equidigital number, since it uses as much as digits as its factorization.

45408943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 45408943 is about 6738.6158074192. The cubic root of 45408943 is about 356.7635397425.

The spelling of 45408943 in words is "forty-five million, four hundred eight thousand, nine hundred forty-three".