2144140042 has 16 divisors (see below), whose sum is σ = 3511528992. Its totient is φ = 973793520.

The previous prime is 2144140021. The next prime is 2144140067. The reversal of 2144140042 is 2400414412.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2144139995 and 2144140022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13488 + ... + 66859.

It is an arithmetic number, because the mean of its divisors is an integer number (219470562).

Almost surely, 2^2144140042 is an apocalyptic number.

2144140042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2144140042 is a deficient number, since it is larger than the sum of its proper divisors (1367388950).

2144140042 is a wasteful number, since it uses less digits than its factorization.

2144140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81573.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2144140042 is about 46304.8598097435. The cubic root of 2144140042 is about 1289.4892198915.

Adding to 2144140042 its reverse (2400414412), we get a palindrome (4544554454).

The spelling of 2144140042 in words is "two billion, one hundred forty-four million, one hundred forty thousand, forty-two".