285641102 has 4 divisors (see below), whose sum is σ = 428461656. Its totient is φ = 142820550.

The previous prime is 285641087. The next prime is 285641107. The reversal of 285641102 is 201146582.

285641102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285641107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71410274 + ... + 71410277.

It is an arithmetic number, because the mean of its divisors is an integer number (107115414).

Almost surely, 2^285641102 is an apocalyptic number.

285641102 is a deficient number, since it is larger than the sum of its proper divisors (142820554).

285641102 is a wasteful number, since it uses less digits than its factorization.

285641102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142820553.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 285641102 is about 16900.9201524651. The cubic root of 285641102 is about 658.5775163976.

Adding to 285641102 its reverse (201146582), we get a palindrome (486787684).

The spelling of 285641102 in words is "two hundred eighty-five million, six hundred forty-one thousand, one hundred two".