142242520125 has 32 divisors (see below), whose sum is σ = 236802833280. Its totient is φ = 75827011200.

The previous prime is 142242520111. The next prime is 142242520253. The reversal of 142242520125 is 521025242241.

It is not a de Polignac number, because 142242520125 - 2⁹ = 142242519613 is a prime.

It is a super-2 number, since 2×142242520125² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142242520092 and 142242520101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719286 + ... + 895464.

It is an arithmetic number, because the mean of its divisors is an integer number (7400088540).

Almost surely, 2^142242520125 is an apocalyptic number.

142242520125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142242520125 is a deficient number, since it is larger than the sum of its proper divisors (94560313155).

142242520125 is a wasteful number, since it uses less digits than its factorization.

142242520125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178350 (or 178340 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 142242520125 its reverse (521025242241), we get a palindrome (663267762366).

The spelling of 142242520125 in words is "one hundred forty-two billion, two hundred forty-two million, five hundred twenty thousand, one hundred twenty-five".