142434587 has 2 divisors, whose sum is σ = 142434588. Its totient is φ = 142434586.

The previous prime is 142434577. The next prime is 142434623. The reversal of 142434587 is 785434241.

142434587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142434587 - 2¹⁰ = 142433563 is a prime.

It is a super-2 number, since 2×142434587² = 40575223147721138, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142434587.

It is not a weakly prime, because it can be changed into another prime (142434527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71217293 + 71217294.

It is an arithmetic number, because the mean of its divisors is an integer number (71217294).

Almost surely, 2^142434587 is an apocalyptic number.

142434587 is a deficient number, since it is larger than the sum of its proper divisors (1).

142434587 is an equidigital number, since it uses as much as digits as its factorization.

142434587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 142434587 is about 11934.5962227467. The cubic root of 142434587 is about 522.2420291986.

The spelling of 142434587 in words is "one hundred forty-two million, four hundred thirty-four thousand, five hundred eighty-seven".