284868333145 has 32 divisors (see below), whose sum is σ = 376354134144. Its totient is φ = 206982135360.

The previous prime is 284868333137. The next prime is 284868333149. The reversal of 284868333145 is 541333868482.

It is not a de Polignac number, because 284868333145 - 2³ = 284868333137 is a prime.

It is a super-2 number, since 2×284868333145² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284868333149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7254334 + ... + 7293496.

It is an arithmetic number, because the mean of its divisors is an integer number (11761066692).

Almost surely, 2^284868333145 is an apocalyptic number.

It is an amenable number.

284868333145 is a deficient number, since it is larger than the sum of its proper divisors (91485800999).

284868333145 is a wasteful number, since it uses less digits than its factorization.

284868333145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40294 (or 40272 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 55.

The spelling of 284868333145 in words is "two hundred eighty-four billion, eight hundred sixty-eight million, three hundred thirty-three thousand, one hundred forty-five".