103545443 has 4 divisors (see below), whose sum is σ = 103676160. Its totient is φ = 103414728.

The previous prime is 103545439. The next prime is 103545451. The reversal of 103545443 is 344545301.

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

It is a cyclic number.

It is not a de Polignac number, because 103545443 - 2² = 103545439 is a prime.

It is a super-3 number, since 3×103545443³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (103545473) 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, 64163 + ... + 65756.

It is an arithmetic number, because the mean of its divisors is an integer number (25919040).

Almost surely, 2^103545443 is an apocalyptic number.

103545443 is a deficient number, since it is larger than the sum of its proper divisors (130717).

103545443 is an equidigital number, since it uses as much as digits as its factorization.

103545443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130716.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 103545443 is about 10175.7281311953. The cubic root of 103545443 is about 469.5807986943.

It can be divided in two parts, 10 and 3545443, that added together give a palindrome (3545453).

The spelling of 103545443 in words is "one hundred three million, five hundred forty-five thousand, four hundred forty-three".