142242145125 has 32 divisors (see below), whose sum is σ = 236827044480. Its totient is φ = 75818851200.

The previous prime is 142242145057. The next prime is 142242145163. The reversal of 142242145125 is 521541242241.

It is not a de Polignac number, because 142242145125 - 2¹² = 142242141029 is a prime.

It is a super-2 number, since 2×142242145125² (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 31 ways as a sum of consecutive naturals, for example, 549186 + ... + 765564.

It is an arithmetic number, because the mean of its divisors is an integer number (7400845140).

Almost surely, 2^142242145125 is an apocalyptic number.

142242145125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142242145125 is a deficient number, since it is larger than the sum of its proper divisors (94584899355).

142242145125 is a wasteful number, since it uses less digits than its factorization.

142242145125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218150 (or 218140 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

Adding to 142242145125 its reverse (521541242241), we get a palindrome (663783387366).

The spelling of 142242145125 in words is "one hundred forty-two billion, two hundred forty-two million, one hundred forty-five thousand, one hundred twenty-five".