6435142 has 16 divisors (see below), whose sum is σ = 11135520. Its totient is φ = 2731968.

The previous prime is 6435139. The next prime is 6435157. The reversal of 6435142 is 2415346.

It is a super-2 number, since 2×6435142² = 82822105120328, which contains 22 as substring.

It is a congruent number.

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, 583 + ... + 3634.

It is an arithmetic number, because the mean of its divisors is an integer number (695970).

Almost surely, 2^6435142 is an apocalyptic number.

6435142 is a deficient number, since it is larger than the sum of its proper divisors (4700378).

6435142 is a wasteful number, since it uses less digits than its factorization.

6435142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335.

The product of its digits is 2880, while the sum is 25.

The square root of 6435142 is about 2536.7581674255. The cubic root of 6435142 is about 186.0027555764.

It can be divided in two parts, 643 and 5142, that multiplied together give a triangular number (3306306 = T₂₅₇₁).

The spelling of 6435142 in words is "six million, four hundred thirty-five thousand, one hundred forty-two".