102069845 has 8 divisors (see below), whose sum is σ = 122568864. Its totient is φ = 81599184.

The previous prime is 102069839. The next prime is 102069857. The reversal of 102069845 is 548960201.

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

It is a cyclic number.

It is not a de Polignac number, because 102069845 - 2¹⁰ = 102068821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 14408.

It is an arithmetic number, because the mean of its divisors is an integer number (15321108).

Almost surely, 2^102069845 is an apocalyptic number.

It is an amenable number.

102069845 is a deficient number, since it is larger than the sum of its proper divisors (20499019).

102069845 is a wasteful number, since it uses less digits than its factorization.

102069845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14179.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 102069845 is about 10102.9621893779. The cubic root of 102069845 is about 467.3394951692.

The spelling of 102069845 in words is "one hundred two million, sixty-nine thousand, eight hundred forty-five".