101806345 has 8 divisors (see below), whose sum is σ = 122379264. Its totient is φ = 81303984.

The previous prime is 101806343. The next prime is 101806381. The reversal of 101806345 is 543608101.

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 101806345 - 2¹ = 101806343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101806343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14409 + ... + 20278.

It is an arithmetic number, because the mean of its divisors is an integer number (15297408).

Almost surely, 2^101806345 is an apocalyptic number.

It is an amenable number.

101806345 is a deficient number, since it is larger than the sum of its proper divisors (20572919).

101806345 is an equidigital number, since it uses as much as digits as its factorization.

101806345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35279.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 101806345 is about 10089.9130323309. The cubic root of 101806345 is about 466.9369927543.

The spelling of 101806345 in words is "one hundred one million, eight hundred six thousand, three hundred forty-five".