285151104 has 160 divisors (see below), whose sum is σ = 970081200. Its totient is φ = 81451008.

The previous prime is 285151073. The next prime is 285151109. The reversal of 285151104 is 401151582.

It is a super-2 number, since 2×285151104² = 162622304224837632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285151109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70612 + ... + 74540.

Almost surely, 2^285151104 is an apocalyptic number.

285151104 is a gapful number since it is divisible by the number (24) 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 285151104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485040600).

285151104 is an abundant number, since it is smaller than the sum of its proper divisors (684930096).

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

285151104 is an equidigital number, since it uses as much as digits as its factorization.

285151104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 285151104 is about 16886.4177373415. The cubic root of 285151104 is about 658.2007191230.

The spelling of 285151104 in words is "two hundred eighty-five million, one hundred fifty-one thousand, one hundred four".