45305503 has 2 divisors, whose sum is σ = 45305504. Its totient is φ = 45305502.

The previous prime is 45305497. The next prime is 45305537. The reversal of 45305503 is 30550354.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45305503 - 2²⁵ = 11751071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45305563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22652751 + 22652752.

It is an arithmetic number, because the mean of its divisors is an integer number (22652752).

Almost surely, 2^45305503 is an apocalyptic number.

45305503 is a deficient number, since it is larger than the sum of its proper divisors (1).

45305503 is an equidigital number, since it uses as much as digits as its factorization.

45305503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 45305503 is about 6730.9362647406. The cubic root of 45305503 is about 356.4924354522.

Adding to 45305503 its reverse (30550354), we get a palindrome (75855857).

The spelling of 45305503 in words is "forty-five million, three hundred five thousand, five hundred three".