142985435 has 4 divisors (see below), whose sum is σ = 171582528. Its totient is φ = 114388344.

The previous prime is 142985429. The next prime is 142985441. The reversal of 142985435 is 534589241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534589241 = 347 ⋅1540603.

It is an interprime number because it is at equal distance from previous prime (142985429) and next prime (142985441).

It is a cyclic number.

It is not a de Polignac number, because 142985435 - 2¹⁸ = 142723291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142985392 and 142985401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14298539 + ... + 14298548.

It is an arithmetic number, because the mean of its divisors is an integer number (42895632).

Almost surely, 2^142985435 is an apocalyptic number.

142985435 is a deficient number, since it is larger than the sum of its proper divisors (28597093).

142985435 is an equidigital number, since it uses as much as digits as its factorization.

142985435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597092.

The product of its digits is 172800, while the sum is 41.

The square root of 142985435 is about 11957.6517343499. The cubic root of 142985435 is about 522.9143984777.

The spelling of 142985435 in words is "one hundred forty-two million, nine hundred eighty-five thousand, four hundred thirty-five".