180453 has 16 divisors (see below), whose sum is σ = 296576. Its totient is φ = 95040.

The previous prime is 180437. The next prime is 180463. The reversal of 180453 is 354081.

It is not a de Polignac number, because 180453 - 2⁴ = 180437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

180453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58 + ... + 603.

It is an arithmetic number, because the mean of its divisors is an integer number (18536).

2¹⁸⁰⁴⁵³ is an apocalyptic number.

180453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

180453 is a deficient number, since it is larger than the sum of its proper divisors (116123).

180453 is a wasteful number, since it uses less digits than its factorization.

180453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 180453 is about 424.7975988633. The cubic root of 180453 is about 56.5094875341.

The spelling of 180453 in words is "one hundred eighty thousand, four hundred fifty-three".