100043434 has 16 divisors (see below), whose sum is σ = 152500680. Its totient is φ = 49213440.

The previous prime is 100043431. The next prime is 100043483. The reversal of 100043434 is 434340001.

It can be written as a sum of positive squares in 4 ways, for example, as 98069409 + 1974025 = 9903^2 + 1405^2 .

It is not an unprimeable number, because it can be changed into a prime (100043431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93052 + ... + 94120.

Almost surely, 2^100043434 is an apocalyptic number.

100043434 is a deficient number, since it is larger than the sum of its proper divisors (52457246).

100043434 is a wasteful number, since it uses less digits than its factorization.

100043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 100043434 is about 10002.1714642372. The cubic root of 100043434 is about 464.2260745574.

Adding to 100043434 its reverse (434340001), we get a palindrome (534383435).

The spelling of 100043434 in words is "one hundred million, forty-three thousand, four hundred thirty-four".