43142044 has 24 divisors (see below), whose sum is σ = 83100528. Its totient is φ = 19434240.

The previous prime is 43142017. The next prime is 43142063. The reversal of 43142044 is 44024134.

It is a super-2 number, since 2×43142044² = 3722471920995872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 634 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (3462522).

Almost surely, 2^43142044 is an apocalyptic number.

43142044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

43142044 is a deficient number, since it is larger than the sum of its proper divisors (39958484).

43142044 is a wasteful number, since it uses less digits than its factorization.

43142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805 (or 8803 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 43142044 is about 6568.2603480678. The cubic root of 43142044 is about 350.7251469082.

Adding to 43142044 its reverse (44024134), we get a palindrome (87166178).

The spelling of 43142044 in words is "forty-three million, one hundred forty-two thousand, forty-four".