43142458812 has 12 divisors (see below), whose sum is σ = 100665737256. Its totient is φ = 14380819600.

The previous prime is 43142458811. The next prime is 43142458831. The reversal of 43142458812 is 21885424134.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×43142458812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142458811) 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, 1797602439 + ... + 1797602462.

It is an arithmetic number, because the mean of its divisors is an integer number (8388811438).

Almost surely, 2^43142458812 is an apocalyptic number.

It is an amenable number.

43142458812 is an abundant number, since it is smaller than the sum of its proper divisors (57523278444).

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

43142458812 is a wasteful number, since it uses less digits than its factorization.

43142458812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595204908 (or 3595204906 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The spelling of 43142458812 in words is "forty-three billion, one hundred forty-two million, four hundred fifty-eight thousand, eight hundred twelve".