142660325 has 24 divisors (see below), whose sum is σ = 181004040. Its totient is φ = 111513600.

The previous prime is 142660313. The next prime is 142660327. The reversal of 142660325 is 523066241.

It can be written as a sum of positive squares in 12 ways, for example, as 41396356 + 101263969 = 6434^2 + 10063^2 .

It is not a de Polignac number, because 142660325 - 2⁶ = 142660261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142660327) 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, 215495 + ... + 216155.

It is an arithmetic number, because the mean of its divisors is an integer number (7541835).

Almost surely, 2^142660325 is an apocalyptic number.

It is an amenable number.

142660325 is a deficient number, since it is larger than the sum of its proper divisors (38343715).

142660325 is an equidigital number, since it uses as much as digits as its factorization.

142660325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 142660325 is about 11944.0497738414. The cubic root of 142660325 is about 522.5177760029.

The spelling of 142660325 in words is "one hundred forty-two million, six hundred sixty thousand, three hundred twenty-five".