142173015120 has 240 divisors, whose sum is σ = 502154145792. Its totient is φ = 35978342400.

The previous prime is 142173015109. The next prime is 142173015161. The reversal of 142173015120 is 21510371241.

142173015120 is a `hidden beast` number, since 1 + 421 + 73 + 0 + 151 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×142173015120² (a number of 23 digits) contains 22 as substring.

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, 2069320 + ... + 2136920.

Almost surely, 2^142173015120 is an apocalyptic number.

142173015120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142173015120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251077072896).

142173015120 is an abundant number, since it is smaller than the sum of its proper divisors (359981130672).

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

142173015120 is a wasteful number, since it uses less digits than its factorization.

142173015120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67770 (or 67761 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 142173015120 its reverse (21510371241), we get a palindrome (163683386361).

The spelling of 142173015120 in words is "one hundred forty-two billion, one hundred seventy-three million, fifteen thousand, one hundred twenty".