143542 has 8 divisors (see below), whose sum is σ = 246096. Its totient is φ = 61512.

The previous prime is 143537. The next prime is 143551. The reversal of 143542 is 245341.

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

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, 5113 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (30762).

2¹⁴³⁵⁴² is an apocalyptic number.

143542 is a deficient number, since it is larger than the sum of its proper divisors (102554).

143542 is a wasteful number, since it uses less digits than its factorization.

143542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262.

The product of its digits is 480, while the sum is 19.

The square root of 143542 is about 378.8693706279. The cubic root of 143542 is about 52.3591994420.

Adding to 143542 its reverse (245341), we get a palindrome (388883).

The spelling of 143542 in words is "one hundred forty-three thousand, five hundred forty-two".