6142478 has 4 divisors (see below), whose sum is σ = 9213720. Its totient is φ = 3071238.

The previous prime is 6142469. The next prime is 6142483. The reversal of 6142478 is 8742416.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1535618 + ... + 1535621.

It is an arithmetic number, because the mean of its divisors is an integer number (2303430).

Almost surely, 2^6142478 is an apocalyptic number.

6142478 is a deficient number, since it is larger than the sum of its proper divisors (3071242).

6142478 is a wasteful number, since it uses less digits than its factorization.

6142478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071241.

The product of its digits is 10752, while the sum is 32.

The square root of 6142478 is about 2478.4023079395. The cubic root of 6142478 is about 183.1391538175.

The spelling of 6142478 in words is "six million, one hundred forty-two thousand, four hundred seventy-eight".