142854228 has 72 divisors (see below), whose sum is σ = 398099520. Its totient is φ = 42831360.

The previous prime is 142854193. The next prime is 142854233. The reversal of 142854228 is 822458241.

142854228 is a `hidden beast` number, since 1 + 428 + 5 + 4 + 228 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142854192 and 142854201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36553 + ... + 40271.

It is an arithmetic number, because the mean of its divisors is an integer number (5529160).

Almost surely, 2^142854228 is an apocalyptic number.

142854228 is a gapful number since it is divisible by the number (18) 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 142854228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199049760).

142854228 is an abundant number, since it is smaller than the sum of its proper divisors (255245292).

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

142854228 is a wasteful number, since it uses less digits than its factorization.

142854228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837 (or 3832 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 142854228 is about 11952.1641554992. The cubic root of 142854228 is about 522.7544030994.

The spelling of 142854228 in words is "one hundred forty-two million, eight hundred fifty-four thousand, two hundred twenty-eight".