42517144 has 32 divisors (see below), whose sum is σ = 82353600. Its totient is φ = 20563200.

The previous prime is 42517109. The next prime is 42517147. The reversal of 42517144 is 44171524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42517147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70444 + ... + 71044.

It is an arithmetic number, because the mean of its divisors is an integer number (2573550).

Almost surely, 2^42517144 is an apocalyptic number.

It is an amenable number.

42517144 is a deficient number, since it is larger than the sum of its proper divisors (39836456).

42517144 is a wasteful number, since it uses less digits than its factorization.

42517144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 879 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 42517144 is about 6520.5171574040. The cubic root of 42517144 is about 349.0235203892.

Adding to 42517144 its reverse (44171524), we get a palindrome (86688668).

The spelling of 42517144 in words is "forty-two million, five hundred seventeen thousand, one hundred forty-four".