72142 has 8 divisors (see below), whose sum is σ = 123696. Its totient is φ = 30912.

The previous prime is 72139. The next prime is 72161. The reversal of 72142 is 24127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563 + ... + 2590.

It is an arithmetic number, because the mean of its divisors is an integer number (15462).

2⁷²¹⁴² is an apocalyptic number.

72142 is a deficient number, since it is larger than the sum of its proper divisors (51554).

72142 is a wasteful number, since it uses less digits than its factorization.

72142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162.

The product of its digits is 112, while the sum is 16.

The square root of 72142 is about 268.5926283426. The cubic root of 72142 is about 41.6290077514.

Adding to 72142 its reverse (24127), we get a palindrome (96269).

The spelling of 72142 in words is "seventy-two thousand, one hundred forty-two", and thus it is an iban number.