2240142 has 8 divisors (see below), whose sum is σ = 4480296. Its totient is φ = 746712.

The previous prime is 2240137. The next prime is 2240159. The reversal of 2240142 is 2410422.

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

2240142 is an admirable number.

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, 186673 + ... + 186684.

It is an arithmetic number, because the mean of its divisors is an integer number (560037).

2^2240142 is an apocalyptic number.

2240142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2240142 is a wasteful number, since it uses less digits than its factorization.

2240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373362.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2240142 is about 1496.7103928282. The cubic root of 2240142 is about 130.8454171790.

Adding to 2240142 its reverse (2410422), we get a palindrome (4650564).

The spelling of 2240142 in words is "two million, two hundred forty thousand, one hundred forty-two".