43444142 has 16 divisors (see below), whose sum is σ = 76489440. Its totient is φ = 18115488.

The previous prime is 43444111. The next prime is 43444151. The reversal of 43444142 is 24144434.

It is a happy number.

It is a congruent number.

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, 41417 + ... + 42452.

It is an arithmetic number, because the mean of its divisors is an integer number (4780590).

Almost surely, 2^43444142 is an apocalyptic number.

43444142 is a deficient number, since it is larger than the sum of its proper divisors (33045298).

43444142 is a wasteful number, since it uses less digits than its factorization.

43444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83915.

The product of its digits is 6144, while the sum is 26.

The square root of 43444142 is about 6591.2170348123. The cubic root of 43444142 is about 351.5418831577.

Adding to 43444142 its reverse (24144434), we get a palindrome (67588576).

The spelling of 43444142 in words is "forty-three million, four hundred forty-four thousand, one hundred forty-two".