73142 has 4 divisors (see below), whose sum is σ = 109716. Its totient is φ = 36570.

The previous prime is 73141. The next prime is 73181. The reversal of 73142 is 24137.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73142.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 73142.

It is not an unprimeable number, because it can be changed into a prime (73141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18284 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (27429).

2⁷³¹⁴² is an apocalyptic number.

73142 is a deficient number, since it is larger than the sum of its proper divisors (36574).

73142 is a wasteful number, since it uses less digits than its factorization.

73142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36573.

The product of its digits is 168, while the sum is 17.

The square root of 73142 is about 270.4477768443. The cubic root of 73142 is about 41.8204733235.

Adding to 73142 its reverse (24137), we get a palindrome (97279).

The spelling of 73142 in words is "seventy-three thousand, one hundred forty-two", and thus it is an iban number.