105450403 has 4 divisors (see below), whose sum is σ = 105562008. Its totient is φ = 105338800.

The previous prime is 105450379. The next prime is 105450451. The reversal of 105450403 is 304054501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105450403 is a prime.

It is a super-2 number, since 2×105450403² = 22239574985724818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105450503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54373 + ... + 56278.

It is an arithmetic number, because the mean of its divisors is an integer number (26390502).

Almost surely, 2^105450403 is an apocalyptic number.

105450403 is a deficient number, since it is larger than the sum of its proper divisors (111605).

105450403 is an equidigital number, since it uses as much as digits as its factorization.

105450403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111604.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 105450403 is about 10268.9046640818. The cubic root of 105450403 is about 472.4429956519.

The spelling of 105450403 in words is "one hundred five million, four hundred fifty thousand, four hundred three".