43602142 has 4 divisors (see below), whose sum is σ = 65403216. Its totient is φ = 21801070.

The previous prime is 43602137. The next prime is 43602149. The reversal of 43602142 is 24120634.

It is a happy number.

43602142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×43602142² = 3802293573976328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43602149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10900534 + ... + 10900537.

It is an arithmetic number, because the mean of its divisors is an integer number (16350804).

Almost surely, 2^43602142 is an apocalyptic number.

43602142 is a deficient number, since it is larger than the sum of its proper divisors (21801074).

43602142 is a wasteful number, since it uses less digits than its factorization.

43602142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21801073.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 43602142 is about 6603.1918039687. The cubic root of 43602142 is about 351.9675363914.

Adding to 43602142 its reverse (24120634), we get a palindrome (67722776).

The spelling of 43602142 in words is "forty-three million, six hundred two thousand, one hundred forty-two".