42052144 has 20 divisors (see below), whose sum is σ = 82394280. Its totient is φ = 20789120.

The previous prime is 42052079. The next prime is 42052147. The reversal of 42052144 is 44125024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42052147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13342 + ... + 16189.

It is an arithmetic number, because the mean of its divisors is an integer number (4119714).

Almost surely, 2^42052144 is an apocalyptic number.

It is an amenable number.

42052144 is a deficient number, since it is larger than the sum of its proper divisors (40342136).

42052144 is a wasteful number, since it uses less digits than its factorization.

42052144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29628 (or 29622 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42052144 is about 6484.7624474610. The cubic root of 42052144 is about 347.7464573257.

Adding to 42052144 its reverse (44125024), we get a palindrome (86177168).

The spelling of 42052144 in words is "forty-two million, fifty-two thousand, one hundred forty-four".