42846645 has 16 divisors (see below), whose sum is σ = 68821632. Its totient is φ = 22762560.

The previous prime is 42846623. The next prime is 42846697. The reversal of 42846645 is 54664824.

It is not a de Polignac number, because 42846645 - 2⁸ = 42846389 is a prime.

It is a Curzon number.

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, 1486 + ... + 9375.

It is an arithmetic number, because the mean of its divisors is an integer number (4301352).

Almost surely, 2^42846645 is an apocalyptic number.

It is an amenable number.

42846645 is a deficient number, since it is larger than the sum of its proper divisors (25974987).

42846645 is a wasteful number, since it uses less digits than its factorization.

42846645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132.

The product of its digits is 184320, while the sum is 39.

The square root of 42846645 is about 6545.7348708911. The cubic root of 42846645 is about 349.9228265222.

The spelling of 42846645 in words is "forty-two million, eight hundred forty-six thousand, six hundred forty-five".