142120444043 has 32 divisors (see below), whose sum is σ = 159844700160. Its totient is φ = 125830615680.

The previous prime is 142120444031. The next prime is 142120444073. The reversal of 142120444043 is 340444021241.

It is a cyclic number.

It is not a de Polignac number, because 142120444043 - 2⁴ = 142120444027 is a prime.

It is a super-2 number, since 2×142120444043² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142120443997 and 142120444015.

It is not an unprimeable number, because it can be changed into a prime (142120444073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2180321 + ... + 2244557.

It is an arithmetic number, because the mean of its divisors is an integer number (4995146880).

Almost surely, 2^142120444043 is an apocalyptic number.

142120444043 is a deficient number, since it is larger than the sum of its proper divisors (17724256117).

142120444043 is a wasteful number, since it uses less digits than its factorization.

142120444043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64427.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142120444043 its reverse (340444021241), we get a palindrome (482564465284).

The spelling of 142120444043 in words is "one hundred forty-two billion, one hundred twenty million, four hundred forty-four thousand, forty-three".