103445403 has 8 divisors (see below), whose sum is σ = 137978688. Its totient is φ = 68937864.

The previous prime is 103445399. The next prime is 103445411. The reversal of 103445403 is 304544301.

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

It is not a de Polignac number, because 103445403 - 2² = 103445399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103445803) 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, 6876 + ... + 15942.

It is an arithmetic number, because the mean of its divisors is an integer number (17247336).

Almost surely, 2^103445403 is an apocalyptic number.

103445403 is a deficient number, since it is larger than the sum of its proper divisors (34533285).

103445403 is an equidigital number, since it uses as much as digits as its factorization.

103445403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 103445403 is about 10170.8113245699. The cubic root of 103445403 is about 469.4295221189.

Adding to 103445403 its reverse (304544301), we get a palindrome (407989704).

The spelling of 103445403 in words is "one hundred three million, four hundred forty-five thousand, four hundred three".