142685425 has 12 divisors (see below), whose sum is σ = 177293340. Its totient is φ = 113913920.

The previous prime is 142685419. The next prime is 142685429. The reversal of 142685425 is 524586241.

It can be written as a sum of positive squares in 6 ways, for example, as 9790641 + 132894784 = 3129^2 + 11528^2 .

It is not a de Polignac number, because 142685425 - 2⁵ = 142685393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142685429) 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 11 ways as a sum of consecutive naturals, for example, 7119 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (14774445).

Almost surely, 2^142685425 is an apocalyptic number.

It is an amenable number.

142685425 is a deficient number, since it is larger than the sum of its proper divisors (34607915).

142685425 is a wasteful number, since it uses less digits than its factorization.

142685425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732 (or 11727 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 142685425 is about 11945.1004600213. The cubic root of 142685425 is about 522.5484185498.

The spelling of 142685425 in words is "one hundred forty-two million, six hundred eighty-five thousand, four hundred twenty-five".