142038 has 24 divisors (see below), whose sum is σ = 331968. Its totient is φ = 43632.

The previous prime is 142031. The next prime is 142039. The reversal of 142038 is 830241.

It is a happy number.

142038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 142038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (13832).

2¹⁴²⁰³⁸ is an apocalyptic number.

142038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142038 is an abundant number, since it is smaller than the sum of its proper divisors (189930).

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

142038 is a wasteful number, since it uses less digits than its factorization.

142038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142038 is about 376.8792910203. The cubic root of 142038 is about 52.1756878019.

Adding to 142038 its reverse (830241), we get a palindrome (972279).

The spelling of 142038 in words is "one hundred forty-two thousand, thirty-eight".