142041142 has 4 divisors (see below), whose sum is σ = 213061716. Its totient is φ = 71020570.

The previous prime is 142041049. The next prime is 142041149. The reversal of 142041142 is 241140241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142041149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35510284 + ... + 35510287.

It is an arithmetic number, because the mean of its divisors is an integer number (53265429).

Almost surely, 2^142041142 is an apocalyptic number.

142041142 is a deficient number, since it is larger than the sum of its proper divisors (71020574).

142041142 is an equidigital number, since it uses as much as digits as its factorization.

142041142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71020573.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142041142 is about 11918.1014427634. The cubic root of 142041142 is about 521.7607252247.

Adding to 142041142 its reverse (241140241), we get a palindrome (383181383).

Subtracting 142041142 from its reverse (241140241), we obtain a palindrome (99099099).

The spelling of 142041142 in words is "one hundred forty-two million, forty-one thousand, one hundred forty-two".