43743142 has 16 divisors (see below), whose sum is σ = 69727392. Its totient is φ = 20510080.

The previous prime is 43743137. The next prime is 43743157. The reversal of 43743142 is 24134734.

It is a self number, because there is not a number n which added to its sum of digits gives 43743142.

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, 7767 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (4357962).

Almost surely, 2^43743142 is an apocalyptic number.

43743142 is a deficient number, since it is larger than the sum of its proper divisors (25984250).

43743142 is a wasteful number, since it uses less digits than its factorization.

43743142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its digits is 8064, while the sum is 28.

The square root of 43743142 is about 6613.8598412727. The cubic root of 43743142 is about 352.3465240698.

Adding to 43743142 its reverse (24134734), we get a palindrome (67877876).

The spelling of 43743142 in words is "forty-three million, seven hundred forty-three thousand, one hundred forty-two".