284645146 has 8 divisors (see below), whose sum is σ = 434204640. Its totient is φ = 139910268.

The previous prime is 284645143. The next prime is 284645147. The reversal of 284645146 is 641546482.

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

It is a super-2 number, since 2×284645146² = 162045718282722632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284645099 and 284645108.

It is not an unprimeable number, because it can be changed into a prime (284645143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206006 + ... + 1206241.

It is an arithmetic number, because the mean of its divisors is an integer number (54275580).

Almost surely, 2^284645146 is an apocalyptic number.

284645146 is a deficient number, since it is larger than the sum of its proper divisors (149559494).

284645146 is a wasteful number, since it uses less digits than its factorization.

284645146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412308.

The product of its digits is 184320, while the sum is 40.

The square root of 284645146 is about 16871.4298741986. The cubic root of 284645146 is about 657.8111957264.

The spelling of 284645146 in words is "two hundred eighty-four million, six hundred forty-five thousand, one hundred forty-six".