142524005 has 16 divisors (see below), whose sum is σ = 195020784. Its totient is φ = 99056640.

The previous prime is 142523989. The next prime is 142524017. The reversal of 142524005 is 500425241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8473921 + 134050084 = 2911^2 + 11578^2 .

It is not a de Polignac number, because 142524005 - 2⁴ = 142523989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63386 + ... + 65595.

It is an arithmetic number, because the mean of its divisors is an integer number (12188799).

Almost surely, 2^142524005 is an apocalyptic number.

It is an amenable number.

142524005 is a deficient number, since it is larger than the sum of its proper divisors (52496779).

142524005 is a wasteful number, since it uses less digits than its factorization.

142524005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129016.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142524005 is about 11938.3418027798. The cubic root of 142524005 is about 522.3512912117.

Adding to 142524005 its reverse (500425241), we get a palindrome (642949246).

The spelling of 142524005 in words is "one hundred forty-two million, five hundred twenty-four thousand, five".