142511125 has 16 divisors (see below), whose sum is σ = 178332336. Its totient is φ = 113702400.

The previous prime is 142511113. The next prime is 142511147. The reversal of 142511125 is 521115241.

It can be written as a sum of positive squares in 8 ways, for example, as 102454884 + 40056241 = 10122^2 + 6329^2 .

It is not a de Polignac number, because 142511125 - 2⁵ = 142511093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142511096 and 142511105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52809 + ... + 55441.

It is an arithmetic number, because the mean of its divisors is an integer number (11145771).

Almost surely, 2^142511125 is an apocalyptic number.

It is an amenable number.

142511125 is a deficient number, since it is larger than the sum of its proper divisors (35821211).

142511125 is an equidigital number, since it uses as much as digits as its factorization.

142511125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3071 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 142511125 is about 11937.8023521920. The cubic root of 142511125 is about 522.3355556466.

Adding to 142511125 its reverse (521115241), we get a palindrome (663626366).

It can be divided in two parts, 14251 and 1125, that added together give a square (15376 = 124²).

The spelling of 142511125 in words is "one hundred forty-two million, five hundred eleven thousand, one hundred twenty-five".