142501143 has 4 divisors (see below), whose sum is σ = 190001528. Its totient is φ = 95000760.

The previous prime is 142501129. The next prime is 142501181. The reversal of 142501143 is 341105241.

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

It is not a de Polignac number, because 142501143 - 2¹⁷ = 142370071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142501243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23750188 + ... + 23750193.

It is an arithmetic number, because the mean of its divisors is an integer number (47500382).

Almost surely, 2^142501143 is an apocalyptic number.

142501143 is a deficient number, since it is larger than the sum of its proper divisors (47500385).

142501143 is an equidigital number, since it uses as much as digits as its factorization.

142501143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47500384.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 142501143 is about 11937.3842612190. The cubic root of 142501143 is about 522.3233599314.

Adding to 142501143 its reverse (341105241), we get a palindrome (483606384).

The spelling of 142501143 in words is "one hundred forty-two million, five hundred one thousand, one hundred forty-three".