102805302 has 16 divisors (see below), whose sum is σ = 208507392. Its totient is φ = 33785640.

The previous prime is 102805301. The next prime is 102805321. The reversal of 102805302 is 203508201.

It is a super-2 number, since 2×102805302² = 21137860238622408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102805301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120238 + ... + 121089.

It is an arithmetic number, because the mean of its divisors is an integer number (13031712).

Almost surely, 2^102805302 is an apocalyptic number.

102805302 is an abundant number, since it is smaller than the sum of its proper divisors (105702090).

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

102805302 is a wasteful number, since it uses less digits than its factorization.

102805302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241403.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102805302 is about 10139.2949459023. The cubic root of 102805302 is about 468.4592704579.

The spelling of 102805302 in words is "one hundred two million, eight hundred five thousand, three hundred two".