2578142 has 8 divisors (see below), whose sum is σ = 4419696. Its totient is φ = 1104912.

The previous prime is 2578133. The next prime is 2578153. The reversal of 2578142 is 2418752.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92063 + ... + 92090.

It is an arithmetic number, because the mean of its divisors is an integer number (552462).

2^2578142 is an apocalyptic number.

2578142 is a deficient number, since it is larger than the sum of its proper divisors (1841554).

2578142 is a wasteful number, since it uses less digits than its factorization.

2578142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184162.

The product of its digits is 4480, while the sum is 29.

The square root of 2578142 is about 1605.6593661172. The cubic root of 2578142 is about 137.1204651975.

The spelling of 2578142 in words is "two million, five hundred seventy-eight thousand, one hundred forty-two".