42328845 has 64 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 20528640.

The previous prime is 42328843. The next prime is 42328907. The reversal of 42328845 is 54882324.

It is not a de Polignac number, because 42328845 - 2¹ = 42328843 is a prime.

It is a super-2 number, since 2×42328845² = 3583462238068050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42328843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156060 + ... + 156330.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^42328845 is an apocalyptic number.

42328845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42328845 is a deficient number, since it is larger than the sum of its proper divisors (39923955).

42328845 is a wasteful number, since it uses less digits than its factorization.

42328845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 42328845 is about 6506.0621730813. The cubic root of 42328845 is about 348.5075086191.

The spelling of 42328845 in words is "forty-two million, three hundred twenty-eight thousand, eight hundred forty-five".