43007142 has 16 divisors (see below), whose sum is σ = 86167872. Its totient is φ = 14310120.

The previous prime is 43007141. The next prime is 43007179. The reversal of 43007142 is 24170034.

It is a super-2 number, since 2×43007142² = 3699228526016328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43007141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (5385492).

Almost surely, 2^43007142 is an apocalyptic number.

43007142 is an abundant number, since it is smaller than the sum of its proper divisors (43160730).

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

43007142 is a wasteful number, since it uses less digits than its factorization.

43007142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 43007142 is about 6557.9830740861. The cubic root of 43007142 is about 350.3592012974.

Adding to 43007142 its reverse (24170034), we get a palindrome (67177176).

The spelling of 43007142 in words is "forty-three million, seven thousand, one hundred forty-two".