45306253503 has 20 divisors (see below), whose sum is σ = 77348243280. Its totient is φ = 25889287392.

The previous prime is 45306253501. The next prime is 45306253567. The reversal of 45306253503 is 30535260354.

45306253503 is a `hidden beast` number, since 45 + 3 + 0 + 62 + 53 + 503 = 666.

It is not a de Polignac number, because 45306253503 - 2¹ = 45306253501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45306253501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39952038 + ... + 39953171.

It is an arithmetic number, because the mean of its divisors is an integer number (3867412164).

Almost surely, 2^45306253503 is an apocalyptic number.

45306253503 is a deficient number, since it is larger than the sum of its proper divisors (32041989777).

45306253503 is an equidigital number, since it uses as much as digits as its factorization.

45306253503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79905228 (or 79905219 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 45306253503 in words is "forty-five billion, three hundred six million, two hundred fifty-three thousand, five hundred three".