142066525 has 6 divisors (see below), whose sum is σ = 176162522. Its totient is φ = 113653200.

The previous prime is 142066523. The next prime is 142066531. The reversal of 142066525 is 525660241.

It can be written as a sum of positive squares in 3 ways, for example, as 2377764 + 139688761 = 1542^2 + 11819^2 .

It is not a de Polignac number, because 142066525 - 2¹ = 142066523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142066523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2841306 + ... + 2841355.

Almost surely, 2^142066525 is an apocalyptic number.

It is an amenable number.

142066525 is a deficient number, since it is larger than the sum of its proper divisors (34095997).

142066525 is an equidigital number, since it uses as much as digits as its factorization.

142066525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682671 (or 5682666 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 142066525 is about 11919.1662879582. The cubic root of 142066525 is about 521.7918032243.

The spelling of 142066525 in words is "one hundred forty-two million, sixty-six thousand, five hundred twenty-five".