142326142344502 has 32 divisors (see below), whose sum is σ = 216897960314880. Its totient is φ = 70032731889120.

The previous prime is 142326142344493. The next prime is 142326142344509. The reversal of 142326142344502 is 205443241623241.

It is a super-2 number, since 2×142326142344502² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142326142344509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122887343 + ... + 1123014085.

It is an arithmetic number, because the mean of its divisors is an integer number (6778061259840).

Almost surely, 2^{142326142344502} is an apocalyptic number.

142326142344502 is a deficient number, since it is larger than the sum of its proper divisors (74571817970378).

142326142344502 is a wasteful number, since it uses less digits than its factorization.

142326142344502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149988.

The product of its (nonzero) digits is 1105920, while the sum is 43.

Adding to 142326142344502 its reverse (205443241623241), we get a palindrome (347769383967743).

The spelling of 142326142344502 in words is "one hundred forty-two trillion, three hundred twenty-six billion, one hundred forty-two million, three hundred forty-four thousand, five hundred two".