142311125 has 36 divisors (see below), whose sum is σ = 197251236. Its totient is φ = 102432000.

The previous prime is 142311107. The next prime is 142311137. The reversal of 142311125 is 521113241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 53027524 + 89283601 = 7282^2 + 9449^2 .

It is not a de Polignac number, because 142311125 - 2⁶ = 142311061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142311097 and 142311106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1467077 + ... + 1467173.

It is an arithmetic number, because the mean of its divisors is an integer number (5479201).

Almost surely, 2^142311125 is an apocalyptic number.

It is an amenable number.

142311125 is a deficient number, since it is larger than the sum of its proper divisors (54940111).

142311125 is an frugal number, since it uses more digits than its factorization.

142311125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 113 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 142311125 is about 11929.4226599614. The cubic root of 142311125 is about 522.0910928161.

Multiplying 142311125 by its sum of digits (20), we get a square (2846222500 = 53350²).

Adding to 142311125 its reverse (521113241), we get a palindrome (663424366).

The spelling of 142311125 in words is "one hundred forty-two million, three hundred eleven thousand, one hundred twenty-five".