142125145523 has 16 divisors (see below), whose sum is σ = 156944044800. Its totient is φ = 128170899360.

The previous prime is 142125145501. The next prime is 142125145531. The reversal of 142125145523 is 325541521241.

142125145523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142125145523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142125145583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777361 + ... + 1855602.

It is an arithmetic number, because the mean of its divisors is an integer number (9809002800).

Almost surely, 2^142125145523 is an apocalyptic number.

142125145523 is a deficient number, since it is larger than the sum of its proper divisors (14818899277).

142125145523 is a wasteful number, since it uses less digits than its factorization.

142125145523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633082.

The product of its digits is 48000, while the sum is 35.

Adding to 142125145523 its reverse (325541521241), we get a palindrome (467666666764).

The spelling of 142125145523 in words is "one hundred forty-two billion, one hundred twenty-five million, one hundred forty-five thousand, five hundred twenty-three".