42484845 has 32 divisors (see below), whose sum is σ = 73608192. Its totient is φ = 20800512.

The previous prime is 42484801. The next prime is 42484847. The reversal of 42484845 is 54848424.

It is not a de Polignac number, because 42484845 - 2²⁵ = 8930413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42484847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42997 + ... + 43973.

It is an arithmetic number, because the mean of its divisors is an integer number (2300256).

Almost surely, 2^42484845 is an apocalyptic number.

It is an amenable number.

42484845 is a deficient number, since it is larger than the sum of its proper divisors (31123347).

42484845 is a wasteful number, since it uses less digits than its factorization.

42484845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 163840, while the sum is 39.

The square root of 42484845 is about 6518.0399661248. The cubic root of 42484845 is about 348.9351170971.

The spelling of 42484845 in words is "forty-two million, four hundred eighty-four thousand, eight hundred forty-five".