102849845 has 16 divisors (see below), whose sum is σ = 141305088. Its totient is φ = 70398720.

The previous prime is 102849833. The next prime is 102849889. The reversal of 102849845 is 548948201.

It is not a de Polignac number, because 102849845 - 2⁴ = 102849829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19757 + ... + 24413.

It is an arithmetic number, because the mean of its divisors is an integer number (8831568).

Almost surely, 2^102849845 is an apocalyptic number.

It is an amenable number.

102849845 is a deficient number, since it is larger than the sum of its proper divisors (38455243).

102849845 is an equidigital number, since it uses as much as digits as its factorization.

102849845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 102849845 is about 10141.4912611509. The cubic root of 102849845 is about 468.5269179688.

The spelling of 102849845 in words is "one hundred two million, eight hundred forty-nine thousand, eight hundred forty-five".