90453 has 8 divisors (see below), whose sum is σ = 131616. Its totient is φ = 54800.

The previous prime is 90439. The next prime is 90469. The reversal of 90453 is 35409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90453 - 2⁴ = 90437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90453.

It is not an unprimeable number, because it can be changed into a prime (90403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (16452).

2⁹⁰⁴⁵³ is an apocalyptic number.

It is an amenable number.

90453 is a deficient number, since it is larger than the sum of its proper divisors (41163).

90453 is a wasteful number, since it uses less digits than its factorization.

90453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 90453 is about 300.7540523418. The cubic root of 90453 is about 44.8891096813.

The spelling of 90453 in words is "ninety thousand, four hundred fifty-three".