180672453 has 12 divisors (see below), whose sum is σ = 281046220. Its totient is φ = 111182976.

The previous prime is 180672421. The next prime is 180672467. The reversal of 180672453 is 354276081.

It can be written as a sum of positive squares in 2 ways, for example, as 8485569 + 172186884 = 2913^2 + 13122^2 .

It is not a de Polignac number, because 180672453 - 2⁵ = 180672421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180672473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771988 + ... + 772221.

Almost surely, 2^180672453 is an apocalyptic number.

180672453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

180672453 is a deficient number, since it is larger than the sum of its proper divisors (100373767).

180672453 is a wasteful number, since it uses less digits than its factorization.

180672453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544228 (or 1544225 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 180672453 is about 13441.4453463904. The cubic root of 180672453 is about 565.3238574550.

The spelling of 180672453 in words is "one hundred eighty million, six hundred seventy-two thousand, four hundred fifty-three".