142123425 has 24 divisors (see below), whose sum is σ = 240713760. Its totient is φ = 73948800.

The previous prime is 142123409. The next prime is 142123427. The reversal of 142123425 is 524321241.

It is not a de Polignac number, because 142123425 - 2⁴ = 142123409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142123395 and 142123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20035 + ... + 26184.

It is an arithmetic number, because the mean of its divisors is an integer number (10029740).

Almost surely, 2^142123425 is an apocalyptic number.

142123425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142123425 is a deficient number, since it is larger than the sum of its proper divisors (98590335).

142123425 is a wasteful number, since it uses less digits than its factorization.

142123425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46273 (or 46268 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 142123425 is about 11921.5529609191. The cubic root of 142123425 is about 521.8614560172.

Adding to 142123425 its reverse (524321241), we get a palindrome (666444666).

The spelling of 142123425 in words is "one hundred forty-two million, one hundred twenty-three thousand, four hundred twenty-five".