142907725 has 6 divisors (see below), whose sum is σ = 177205610. Its totient is φ = 114326160.

The previous prime is 142907711. The next prime is 142907747. The reversal of 142907725 is 527709241.

It can be written as a sum of positive squares in 3 ways, for example, as 1630729 + 141276996 = 1277^2 + 11886^2 .

It is not a de Polignac number, because 142907725 - 2¹¹ = 142905677 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2858130 + ... + 2858179.

Almost surely, 2^142907725 is an apocalyptic number.

It is an amenable number.

142907725 is a deficient number, since it is larger than the sum of its proper divisors (34297885).

142907725 is an equidigital number, since it uses as much as digits as its factorization.

142907725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716319 (or 5716314 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 142907725 is about 11954.4019089204. The cubic root of 142907725 is about 522.8196498022.

The spelling of 142907725 in words is "one hundred forty-two million, nine hundred seven thousand, seven hundred twenty-five".