43145134 has 4 divisors (see below), whose sum is σ = 64717704. Its totient is φ = 21572566.

The previous prime is 43145131. The next prime is 43145147. The reversal of 43145134 is 43154134.

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

It is a junction number, because it is equal to n+sod(n) for n = 43145099 and 43145108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43145131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10786282 + ... + 10786285.

It is an arithmetic number, because the mean of its divisors is an integer number (16179426).

Almost surely, 2^43145134 is an apocalyptic number.

43145134 is a deficient number, since it is larger than the sum of its proper divisors (21572570).

43145134 is a wasteful number, since it uses less digits than its factorization.

43145134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21572569.

The product of its digits is 2880, while the sum is 25.

The square root of 43145134 is about 6568.4955659572. The cubic root of 43145134 is about 350.7335201386.

Adding to 43145134 its reverse (43154134), we get a palindrome (86299268).

The spelling of 43145134 in words is "forty-three million, one hundred forty-five thousand, one hundred thirty-four".