43134745 has 8 divisors (see below), whose sum is σ = 53546760. Its totient is φ = 33317760.

The previous prime is 43134743. The next prime is 43134757. The reversal of 43134745 is 54743134.

It can be written as a sum of positive squares in 4 ways, for example, as 2277081 + 40857664 = 1509^2 + 6392^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43134745 - 2¹ = 43134743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43134743) 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, 148596 + ... + 148885.

It is an arithmetic number, because the mean of its divisors is an integer number (6693345).

Almost surely, 2^43134745 is an apocalyptic number.

It is an amenable number.

43134745 is a deficient number, since it is larger than the sum of its proper divisors (10412015).

43134745 is a wasteful number, since it uses less digits than its factorization.

43134745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297515.

The product of its digits is 20160, while the sum is 31.

The square root of 43134745 is about 6567.7046979900. The cubic root of 43134745 is about 350.7053666119.

Adding to 43134745 its reverse (54743134), we get a palindrome (97877879).

The spelling of 43134745 in words is "forty-three million, one hundred thirty-four thousand, seven hundred forty-five".