14523420142 has 32 divisors (see below), whose sum is σ = 27358974720. Its totient is φ = 5617164480.

The previous prime is 14523420077. The next prime is 14523420167. The reversal of 14523420142 is 24102432541.

It is a self number, because there is not a number n which added to its sum of digits gives 14523420142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323092 + ... + 365287.

It is an arithmetic number, because the mean of its divisors is an integer number (854967960).

Almost surely, 2^14523420142 is an apocalyptic number.

14523420142 is a deficient number, since it is larger than the sum of its proper divisors (12835554578).

14523420142 is a wasteful number, since it uses less digits than its factorization.

14523420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688536.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 14523420142 its reverse (24102432541), we get a palindrome (38625852683).

The spelling of 14523420142 in words is "fourteen billion, five hundred twenty-three million, four hundred twenty thousand, one hundred forty-two".