50142 has 16 divisors (see below), whose sum is σ = 102672. Its totient is φ = 16320.

The previous prime is 50131. The next prime is 50147. The reversal of 50142 is 24105.

50142 is nontrivially palindromic in base 13.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50147) 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, 298 + ... + 434.

It is an arithmetic number, because the mean of its divisors is an integer number (6417).

2⁵⁰¹⁴² is an apocalyptic number.

50142 is the 183-rd pentagonal number.

50142 is an abundant number, since it is smaller than the sum of its proper divisors (52530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51336).

50142 is a wasteful number, since it uses less digits than its factorization.

50142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 50142 is about 223.9240942820. The cubic root of 50142 is about 36.8751575211.

Adding to 50142 its reverse (24105), we get a palindrome (74247).

The spelling of 50142 in words is "fifty thousand, one hundred forty-two".