45251903 has 2 divisors, whose sum is σ = 45251904. Its totient is φ = 45251902.

The previous prime is 45251891. The next prime is 45251933. The reversal of 45251903 is 30915254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45251903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45251933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22625951 + 22625952.

It is an arithmetic number, because the mean of its divisors is an integer number (22625952).

Almost surely, 2^45251903 is an apocalyptic number.

45251903 is a deficient number, since it is larger than the sum of its proper divisors (1).

45251903 is an equidigital number, since it uses as much as digits as its factorization.

45251903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 45251903 is about 6726.9534709258. The cubic root of 45251903 is about 356.3517937078.

The spelling of 45251903 in words is "forty-five million, two hundred fifty-one thousand, nine hundred three".