142140025522 has 16 divisors (see below), whose sum is σ = 236981313792. Its totient is φ = 63390062320.

The previous prime is 142140025519. The next prime is 142140025523. The reversal of 142140025522 is 225520041241.

It is a happy number.

It is a super-2 number, since 2×142140025522² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142140025523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60950818 + ... + 60953149.

It is an arithmetic number, because the mean of its divisors is an integer number (14811332112).

Almost surely, 2^142140025522 is an apocalyptic number.

142140025522 is a deficient number, since it is larger than the sum of its proper divisors (94841288270).

142140025522 is a wasteful number, since it uses less digits than its factorization.

142140025522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121904033.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 142140025522 its reverse (225520041241), we get a palindrome (367660066763).

The spelling of 142140025522 in words is "one hundred forty-two billion, one hundred forty million, twenty-five thousand, five hundred twenty-two".