814890453 has 24 divisors (see below), whose sum is σ = 1179252000. Its totient is φ = 500310720.

The previous prime is 814890421. The next prime is 814890467. The reversal of 814890453 is 354098418.

814890453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 814890453 - 2⁵ = 814890421 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814890403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251383 + ... + 254603.

It is an arithmetic number, because the mean of its divisors is an integer number (49135500).

Almost surely, 2^814890453 is an apocalyptic number.

It is an amenable number.

814890453 is a deficient number, since it is larger than the sum of its proper divisors (364361547).

814890453 is a wasteful number, since it uses less digits than its factorization.

814890453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 814890453 is about 28546.2861507412. The cubic root of 814890453 is about 934.0420103928.

The spelling of 814890453 in words is "eight hundred fourteen million, eight hundred ninety thousand, four hundred fifty-three".