142542500446 has 16 divisors (see below), whose sum is σ = 214261084800. Its totient is φ = 71122188888.

The previous prime is 142542500423. The next prime is 142542500447. The reversal of 142542500446 is 644005245241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142542500447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8923815 + ... + 8939773.

It is an arithmetic number, because the mean of its divisors is an integer number (13391317800).

Almost surely, 2^142542500446 is an apocalyptic number.

142542500446 is a deficient number, since it is larger than the sum of its proper divisors (71718584354).

142542500446 is a wasteful number, since it uses less digits than its factorization.

142542500446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25023.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 142542500446 its reverse (644005245241), we get a palindrome (786547745687).

The spelling of 142542500446 in words is "one hundred forty-two billion, five hundred forty-two million, five hundred thousand, four hundred forty-six".