43445381142 has 16 divisors (see below), whose sum is σ = 86892830640. Its totient is φ = 14481448992.

The previous prime is 43445381137. The next prime is 43445381149. The reversal of 43445381142 is 24118354434.

It is a super-2 number, since 2×43445381142² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43445381142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43445381149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 385284 + ... + 485112.

It is an arithmetic number, because the mean of its divisors is an integer number (5430801915).

Almost surely, 2^43445381142 is an apocalyptic number.

43445381142 is an abundant number, since it is smaller than the sum of its proper divisors (43447449498).

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

43445381142 is a wasteful number, since it uses less digits than its factorization.

43445381142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172367.

The product of its digits is 184320, while the sum is 39.

The spelling of 43445381142 in words is "forty-three billion, four hundred forty-five million, three hundred eighty-one thousand, one hundred forty-two".