103145403 has 8 divisors (see below), whose sum is σ = 137924928. Its totient is φ = 68564744.

The previous prime is 103145377. The next prime is 103145407. The reversal of 103145403 is 304541301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103145403 - 2⁹ = 103144891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103145403.

It is not an unprimeable number, because it can be changed into a prime (103145407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48501 + ... + 50582.

It is an arithmetic number, because the mean of its divisors is an integer number (17240616).

Almost surely, 2^103145403 is an apocalyptic number.

103145403 is a deficient number, since it is larger than the sum of its proper divisors (34779525).

103145403 is an equidigital number, since it uses as much as digits as its factorization.

103145403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99433.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103145403 is about 10156.0525303880. The cubic root of 103145403 is about 468.9752882569.

Adding to 103145403 its reverse (304541301), we get a palindrome (407686704).

It can be divided in two parts, 10 and 3145403, that added together give a palindrome (3145413).

The spelling of 103145403 in words is "one hundred three million, one hundred forty-five thousand, four hundred three".