142800529 has 2 divisors, whose sum is σ = 142800530. Its totient is φ = 142800528.

The previous prime is 142800509. The next prime is 142800569. The reversal of 142800529 is 925008241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99042304 + 43758225 = 9952^2 + 6615^2 .

It is a cyclic number.

It is not a de Polignac number, because 142800529 - 2²⁷ = 8582801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142800529.

It is not a weakly prime, because it can be changed into another prime (142800509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71400264 + 71400265.

It is an arithmetic number, because the mean of its divisors is an integer number (71400265).

Almost surely, 2^142800529 is an apocalyptic number.

It is an amenable number.

142800529 is a deficient number, since it is larger than the sum of its proper divisors (1).

142800529 is an equidigital number, since it uses as much as digits as its factorization.

142800529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 142800529 is about 11949.9175310962. The cubic root of 142800529 is about 522.6888936469.

The spelling of 142800529 in words is "one hundred forty-two million, eight hundred thousand, five hundred twenty-nine".