142906825 has 6 divisors (see below), whose sum is σ = 177204494. Its totient is φ = 114325440.

The previous prime is 142906801. The next prime is 142906831. The reversal of 142906825 is 528609241.

It can be written as a sum of positive squares in 3 ways, for example, as 10679824 + 132227001 = 3268^2 + 11499^2 .

It is not a de Polignac number, because 142906825 - 2⁷ = 142906697 is a prime.

It is a Duffinian 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, 2858112 + ... + 2858161.

Almost surely, 2^142906825 is an apocalyptic number.

It is an amenable number.

142906825 is a deficient number, since it is larger than the sum of its proper divisors (34297669).

142906825 is an equidigital number, since it uses as much as digits as its factorization.

142906825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716283 (or 5716278 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 142906825 is about 11954.3642658236. The cubic root of 142906825 is about 522.8185522673.

It can be divided in two parts, 14290 and 6825, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 142906825 in words is "one hundred forty-two million, nine hundred six thousand, eight hundred twenty-five".