142041446 has 8 divisors (see below), whose sum is σ = 218820720. Its totient is φ = 69101208.

The previous prime is 142041433. The next prime is 142041479. The reversal of 142041446 is 644140241.

142041446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

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, 959666 + ... + 959813.

It is an arithmetic number, because the mean of its divisors is an integer number (27352590).

Almost surely, 2^142041446 is an apocalyptic number.

142041446 is the 6371-st centered heptagonal number.

142041446 is a deficient number, since it is larger than the sum of its proper divisors (76779274).

142041446 is a wasteful number, since it uses less digits than its factorization.

142041446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919518.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 142041446 is about 11918.1141964658. The cubic root of 142041446 is about 521.7610974529.

Adding to 142041446 its reverse (644140241), we get a palindrome (786181687).

The spelling of 142041446 in words is "one hundred forty-two million, forty-one thousand, four hundred forty-six".