455643263 has 4 divisors (see below), whose sum is σ = 460067088. Its totient is φ = 451219440.

The previous prime is 455643193. The next prime is 455643269. The reversal of 455643263 is 362346554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455643263 - 2¹⁴ = 455626879 is a prime.

It is a super-2 number, since 2×455643263² = 415221566234574338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455643269) 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, 2211758 + ... + 2211963.

It is an arithmetic number, because the mean of its divisors is an integer number (115016772).

Almost surely, 2^455643263 is an apocalyptic number.

455643263 is a deficient number, since it is larger than the sum of its proper divisors (4423825).

455643263 is a wasteful number, since it uses less digits than its factorization.

455643263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423824.

The product of its digits is 259200, while the sum is 38.

The square root of 455643263 is about 21345.8019994565. The cubic root of 455643263 is about 769.4994571151.

The spelling of 455643263 in words is "four hundred fifty-five million, six hundred forty-three thousand, two hundred sixty-three".