285453120 has 112 divisors (see below), whose sum is σ = 959681088. Its totient is φ = 71639040.

The previous prime is 285453101. The next prime is 285453167. The reversal of 285453120 is 21354582.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7575 + ... + 25065.

Almost surely, 2^285453120 is an apocalyptic number.

285453120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479840544).

285453120 is an abundant number, since it is smaller than the sum of its proper divisors (674227968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285453120 is a wasteful number, since it uses less digits than its factorization.

285453120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17528 (or 17518 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 285453120 is about 16895.3579423462. The cubic root of 285453120 is about 658.4330135165.

The spelling of 285453120 in words is "two hundred eighty-five million, four hundred fifty-three thousand, one hundred twenty".