43142312144 has 20 divisors (see below), whose sum is σ = 86470583460. Its totient is φ = 20827322880.

The previous prime is 43142312113. The next prime is 43142312177. The reversal of 43142312144 is 44121324134.

It can be written as a sum of positive squares in 2 ways, for example, as 9502350400 + 33639961744 = 97480^2 + 183412^2 .

It is a super-2 number, since 2×43142312144² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46489097 + ... + 46490024.

It is an arithmetic number, because the mean of its divisors is an integer number (4323529173).

Almost surely, 2^43142312144 is an apocalyptic number.

It is an amenable number.

43142312144 is an abundant number, since it is smaller than the sum of its proper divisors (43328271316).

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

43142312144 is a wasteful number, since it uses less digits than its factorization.

43142312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92979158 (or 92979152 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 43142312144 its reverse (44121324134), we get a palindrome (87263636278).

The spelling of 43142312144 in words is "forty-three billion, one hundred forty-two million, three hundred twelve thousand, one hundred forty-four".