142100423223440 has 40 divisors (see below), whose sum is σ = 360418346178048. Its totient is φ = 51672881171840.

The previous prime is 142100423223397. The next prime is 142100423223559. The reversal of 142100423223440 is 44322324001241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 142100423223397 and 142100423223406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80738875952 + ... + 80738877711.

Almost surely, 2^{142100423223440} is an apocalyptic number.

142100423223440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142100423223440 is an abundant number, since it is smaller than the sum of its proper divisors (218317922954608).

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

142100423223440 is a wasteful number, since it uses less digits than its factorization.

142100423223440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161477753687 (or 161477753681 counting only the distinct ones).

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

Adding to 142100423223440 its reverse (44322324001241), we get a palindrome (186422747224681).

The spelling of 142100423223440 in words is "one hundred forty-two trillion, one hundred billion, four hundred twenty-three million, two hundred twenty-three thousand, four hundred forty".