43142434 has 16 divisors (see below), whose sum is σ = 67728960. Its totient is φ = 20571760.

The previous prime is 43142423. The next prime is 43142467. The reversal of 43142434 is 43424134.

It is a super-2 number, since 2×43142434² = 3722539222888712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43142399 and 43142408.

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, 16689 + ... + 19099.

It is an arithmetic number, because the mean of its divisors is an integer number (4233060).

Almost surely, 2^43142434 is an apocalyptic number.

43142434 is a deficient number, since it is larger than the sum of its proper divisors (24586526).

43142434 is a wasteful number, since it uses less digits than its factorization.

43142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its digits is 4608, while the sum is 25.

The square root of 43142434 is about 6568.2900362271. The cubic root of 43142434 is about 350.7262037457.

Adding to 43142434 its reverse (43424134), we get a palindrome (86566568).

The spelling of 43142434 in words is "forty-three million, one hundred forty-two thousand, four hundred thirty-four".