94145839 has 4 divisors (see below), whose sum is σ = 94187824. Its totient is φ = 94103856.

The previous prime is 94145827. The next prime is 94145867. The reversal of 94145839 is 93854149.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94145839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94145795 and 94145804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94145809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17427 + ... + 22180.

It is an arithmetic number, because the mean of its divisors is an integer number (23546956).

Almost surely, 2^94145839 is an apocalyptic number.

94145839 is a deficient number, since it is larger than the sum of its proper divisors (41985).

94145839 is a wasteful number, since it uses less digits than its factorization.

94145839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41984.

The product of its digits is 155520, while the sum is 43.

The square root of 94145839 is about 9702.8778720542. The cubic root of 94145839 is about 454.9186168496.

The spelling of 94145839 in words is "ninety-four million, one hundred forty-five thousand, eight hundred thirty-nine".