142301342022440 has 64 divisors (see below), whose sum is σ = 334498033674000. Its totient is φ = 54413623398400.

The previous prime is 142301342022401. The next prime is 142301342022473. The reversal of 142301342022440 is 44220243103241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 136973176230916 + 5328165791524 = 11703554^2 + 2308282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142301342022397 and 142301342022406.

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, 607177745 + ... + 607412064.

Almost surely, 2^{142301342022440} is an apocalyptic number.

142301342022440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142301342022440 is an abundant number, since it is smaller than the sum of its proper divisors (192196691651560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142301342022440 is a wasteful number, since it uses less digits than its factorization.

142301342022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214589950 (or 1214589946 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142301342022440 its reverse (44220243103241), we get a palindrome (186521585125681).

The spelling of 142301342022440 in words is "one hundred forty-two trillion, three hundred one billion, three hundred forty-two million, twenty-two thousand, four hundred forty".