142431025 has 12 divisors (see below), whose sum is σ = 192670704. Its totient is φ = 103586000.

The previous prime is 142431013. The next prime is 142431031. The reversal of 142431025 is 520134241.

142431025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142431025 - 2²¹ = 140333873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142430987 and 142431005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258691 + ... + 259240.

It is an arithmetic number, because the mean of its divisors is an integer number (16055892).

Almost surely, 2^142431025 is an apocalyptic number.

It is an amenable number.

142431025 is a deficient number, since it is larger than the sum of its proper divisors (50239679).

142431025 is a wasteful number, since it uses less digits than its factorization.

142431025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517952 (or 517947 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142431025 is about 11934.4469917965. The cubic root of 142431025 is about 522.2376757578.

Adding to 142431025 its reverse (520134241), we get a palindrome (662565266).

The spelling of 142431025 in words is "one hundred forty-two million, four hundred thirty-one thousand, twenty-five".