52143142 has 16 divisors (see below), whose sum is σ = 79548480. Its totient is φ = 25630528.

The previous prime is 52143137. The next prime is 52143151. The reversal of 52143142 is 24134125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34323 + ... + 35809.

It is an arithmetic number, because the mean of its divisors is an integer number (4971780).

Almost surely, 2^52143142 is an apocalyptic number.

52143142 is a deficient number, since it is larger than the sum of its proper divisors (27405338).

52143142 is a wasteful number, since it uses less digits than its factorization.

52143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775.

The product of its digits is 960, while the sum is 22.

The square root of 52143142 is about 7221.0208419586. The cubic root of 52143142 is about 373.5932885139.

Adding to 52143142 its reverse (24134125), we get a palindrome (76277267).

The spelling of 52143142 in words is "fifty-two million, one hundred forty-three thousand, one hundred forty-two".