180534103 has 4 divisors (see below), whose sum is σ = 180754288. Its totient is φ = 180313920.

The previous prime is 180534091. The next prime is 180534119. The reversal of 180534103 is 301435081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301435081 = 839 ⋅359279.

It is a cyclic number.

It is not a de Polignac number, because 180534103 - 2⁵ = 180534071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180534163) 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, 108858 + ... + 110503.

It is an arithmetic number, because the mean of its divisors is an integer number (45188572).

Almost surely, 2^180534103 is an apocalyptic number.

180534103 is a deficient number, since it is larger than the sum of its proper divisors (220185).

180534103 is an equidigital number, since it uses as much as digits as its factorization.

180534103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220184.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 180534103 is about 13436.2979648414. The cubic root of 180534103 is about 565.1795216203.

Adding to 180534103 its reverse (301435081), we get a palindrome (481969184).

The spelling of 180534103 in words is "one hundred eighty million, five hundred thirty-four thousand, one hundred three".