42432045 has 16 divisors (see below), whose sum is σ = 67986240. Its totient is φ = 22598784.

The previous prime is 42432043. The next prime is 42432059. The reversal of 42432045 is 54023424.

It is not a de Polignac number, because 42432045 - 2¹ = 42432043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12546 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (4249140).

Almost surely, 2^42432045 is an apocalyptic number.

It is an amenable number.

42432045 is a deficient number, since it is larger than the sum of its proper divisors (25554195).

42432045 is a wasteful number, since it uses less digits than its factorization.

42432045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42432045 is about 6513.9884095691. The cubic root of 42432045 is about 348.7905054378.

Adding to 42432045 its reverse (54023424), we get a palindrome (96455469).

The spelling of 42432045 in words is "forty-two million, four hundred thirty-two thousand, forty-five".