285448454 has 24 divisors (see below), whose sum is σ = 441375480. Its totient is φ = 138417312.

The previous prime is 285448441. The next prime is 285448477. The reversal of 285448454 is 454844582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053517 + ... + 2053655.

It is an arithmetic number, because the mean of its divisors is an integer number (18390645).

Almost surely, 2^285448454 is an apocalyptic number.

285448454 is a deficient number, since it is larger than the sum of its proper divisors (155927026).

285448454 is an equidigital number, since it uses as much as digits as its factorization.

285448454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 313 counting only the distinct ones).

The product of its digits is 819200, while the sum is 44.

The square root of 285448454 is about 16895.2198565156. The cubic root of 285448454 is about 658.4294259277.

The spelling of 285448454 in words is "two hundred eighty-five million, four hundred forty-eight thousand, four hundred fifty-four".