142305236444 has 24 divisors (see below), whose sum is σ = 284995643520. Its totient is φ = 60905421936.

The previous prime is 142305236441. The next prime is 142305236497. The reversal of 142305236444 is 444632503241.

It is a junction number, because it is equal to n+sod(n) for n = 142305236398 and 142305236407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142305236441) 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, 3417962 + ... + 3459345.

It is an arithmetic number, because the mean of its divisors is an integer number (11874818480).

Almost surely, 2^142305236444 is an apocalyptic number.

142305236444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142305236444 is an abundant number, since it is smaller than the sum of its proper divisors (142690407076).

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

142305236444 is a wasteful number, since it uses less digits than its factorization.

142305236444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878057 (or 6878055 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 142305236444 its reverse (444632503241), we get a palindrome (586937739685).

The spelling of 142305236444 in words is "one hundred forty-two billion, three hundred five million, two hundred thirty-six thousand, four hundred forty-four".