142585507 has 2 divisors, whose sum is σ = 142585508. Its totient is φ = 142585506.

The previous prime is 142585483. The next prime is 142585561. The reversal of 142585507 is 705585241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142585507 - 2⁷ = 142585379 is a prime.

It is not a weakly prime, because it can be changed into another prime (142585007) by changing a digit.

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 as a sum of consecutive naturals, namely, 71292753 + 71292754.

It is an arithmetic number, because the mean of its divisors is an integer number (71292754).

Almost surely, 2^142585507 is an apocalyptic number.

142585507 is a deficient number, since it is larger than the sum of its proper divisors (1).

142585507 is an equidigital number, since it uses as much as digits as its factorization.

142585507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 142585507 is about 11940.9173433200. The cubic root of 142585507 is about 522.4264154671.

The spelling of 142585507 in words is "one hundred forty-two million, five hundred eighty-five thousand, five hundred seven".