45163503 has 24 divisors (see below), whose sum is σ = 81334656. Its totient is φ = 23461200.

The previous prime is 45163499. The next prime is 45163507. The reversal of 45163503 is 30536154.

It is an interprime number because it is at equal distance from previous prime (45163499) and next prime (45163507).

It is not a de Polignac number, because 45163503 - 2² = 45163499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45163507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31893 + ... + 33278.

It is an arithmetic number, because the mean of its divisors is an integer number (3388944).

Almost surely, 2^45163503 is an apocalyptic number.

45163503 is a deficient number, since it is larger than the sum of its proper divisors (36171153).

45163503 is a wasteful number, since it uses less digits than its factorization.

45163503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65195 (or 65192 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 45163503 is about 6720.3796767742. The cubic root of 45163503 is about 356.1195969633.

Adding to 45163503 its reverse (30536154), we get a palindrome (75699657).

The spelling of 45163503 in words is "forty-five million, one hundred sixty-three thousand, five hundred three".