142021435 has 8 divisors (see below), whose sum is σ = 177835680. Its totient is φ = 108677184.

The previous prime is 142021393. The next prime is 142021463. The reversal of 142021435 is 534120241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142021435 - 2¹⁷ = 141890363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617370 + ... + 617599.

It is an arithmetic number, because the mean of its divisors is an integer number (22229460).

Almost surely, 2^142021435 is an apocalyptic number.

142021435 is a deficient number, since it is larger than the sum of its proper divisors (35814245).

142021435 is a wasteful number, since it uses less digits than its factorization.

142021435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234997.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142021435 is about 11917.2746464953. The cubic root of 142021435 is about 521.7365941548.

Adding to 142021435 its reverse (534120241), we get a palindrome (676141676).

The spelling of 142021435 in words is "one hundred forty-two million, twenty-one thousand, four hundred thirty-five".