142173439800 has 192 divisors, whose sum is σ = 517314270720. Its totient is φ = 31618460160.

The previous prime is 142173439781. The next prime is 142173439817. The reversal of 142173439800 is 8934371241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302044 + ... + 612843.

It is an arithmetic number, because the mean of its divisors is an integer number (2694345160).

Almost surely, 2^142173439800 is an apocalyptic number.

142173439800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142173439800 is an abundant number, since it is smaller than the sum of its proper divisors (375140830920).

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

142173439800 is a wasteful number, since it uses less digits than its factorization.

142173439800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914950 (or 914941 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 142173439800 in words is "one hundred forty-two billion, one hundred seventy-three million, four hundred thirty-nine thousand, eight hundred".