4519142 has 4 divisors (see below), whose sum is σ = 6778716. Its totient is φ = 2259570.

The previous prime is 4519139. The next prime is 4519189. The reversal of 4519142 is 2419154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2419154 = 2 ⋅1209577.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129784 + ... + 1129787.

It is an arithmetic number, because the mean of its divisors is an integer number (1694679).

Almost surely, 2^4519142 is an apocalyptic number.

4519142 is a deficient number, since it is larger than the sum of its proper divisors (2259574).

4519142 is a wasteful number, since it uses less digits than its factorization.

4519142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259573.

The product of its digits is 1440, while the sum is 26.

The square root of 4519142 is about 2125.8273683439. The cubic root of 4519142 is about 165.3301257110.

The spelling of 4519142 in words is "four million, five hundred nineteen thousand, one hundred forty-two".