1518142 has 8 divisors (see below), whose sum is σ = 2286432. Its totient is φ = 756000.

The previous prime is 1518137. The next prime is 1518149. The reversal of 1518142 is 2418151.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1518149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859 + ... + 1942.

It is an arithmetic number, because the mean of its divisors is an integer number (285804).

2^1518142 is an apocalyptic number.

1518142 is a deficient number, since it is larger than the sum of its proper divisors (768290).

1518142 is a wasteful number, since it uses less digits than its factorization.

1518142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074.

The product of its digits is 320, while the sum is 22.

The square root of 1518142 is about 1232.1290516825. The cubic root of 1518142 is about 114.9310740089.

Subtracting 1518142 from its reverse (2418151), we obtain a palindrome (900009).

The spelling of 1518142 in words is "one million, five hundred eighteen thousand, one hundred forty-two".