453121855 has 8 divisors (see below), whose sum is σ = 549130464. Its totient is φ = 358908000.

The previous prime is 453121841. The next prime is 453121901. The reversal of 453121855 is 558121354.

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

It is not a de Polignac number, because 453121855 - 2⁷ = 453121727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 453121855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448131 + ... + 449140.

It is an arithmetic number, because the mean of its divisors is an integer number (68641308).

Almost surely, 2^453121855 is an apocalyptic number.

453121855 is a deficient number, since it is larger than the sum of its proper divisors (96008609).

453121855 is a wasteful number, since it uses less digits than its factorization.

453121855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897377.

The product of its digits is 24000, while the sum is 34.

The square root of 453121855 is about 21286.6590849762. The cubic root of 453121855 is about 768.0774294175.

The spelling of 453121855 in words is "four hundred fifty-three million, one hundred twenty-one thousand, eight hundred fifty-five".