42082845 has 32 divisors (see below), whose sum is σ = 77207808. Its totient is φ = 19173888.

The previous prime is 42082823. The next prime is 42082877. The reversal of 42082845 is 54828024.

It is a happy number.

It is not a de Polignac number, because 42082845 - 2¹⁴ = 42066461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47547 + ... + 48423.

It is an arithmetic number, because the mean of its divisors is an integer number (2412744).

Almost surely, 2^42082845 is an apocalyptic number.

It is an amenable number.

42082845 is a deficient number, since it is larger than the sum of its proper divisors (35124963).

42082845 is a wasteful number, since it uses less digits than its factorization.

42082845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 42082845 is about 6487.1291801536. The cubic root of 42082845 is about 347.8310631342.

The spelling of 42082845 in words is "forty-two million, eighty-two thousand, eight hundred forty-five".