390181142845 has 16 divisors (see below), whose sum is σ = 526157315712. Its totient is φ = 275606210880.

The previous prime is 390181142833. The next prime is 390181142863. The reversal of 390181142845 is 548241181093.

It is not a de Polignac number, because 390181142845 - 2³¹ = 388033659197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390181142795 and 390181142804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130493871 + ... + 130496860.

It is an arithmetic number, because the mean of its divisors is an integer number (32884832232).

Almost surely, 2^390181142845 is an apocalyptic number.

It is an amenable number.

390181142845 is a deficient number, since it is larger than the sum of its proper divisors (135976172867).

390181142845 is a wasteful number, since it uses less digits than its factorization.

390181142845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260990772.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 390181142845 in words is "three hundred ninety billion, one hundred eighty-one million, one hundred forty-two thousand, eight hundred forty-five".