63103145 has 32 divisors (see below), whose sum is σ = 92454912. Its totient is φ = 40404672.

The previous prime is 63103111. The next prime is 63103147. The reversal of 63103145 is 54130136.

It is a happy number.

It is not a de Polignac number, because 63103145 - 2⁸ = 63102889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63103145.

It is not an unprimeable number, because it can be changed into a prime (63103147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33704 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (2889216).

Almost surely, 2^63103145 is an apocalyptic number.

It is an amenable number.

63103145 is a deficient number, since it is larger than the sum of its proper divisors (29351767).

63103145 is a wasteful number, since it uses less digits than its factorization.

63103145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63103145 is about 7943.7488001573. The cubic root of 63103145 is about 398.1227557507.

The spelling of 63103145 in words is "sixty-three million, one hundred three thousand, one hundred forty-five".