43545134 has 4 divisors (see below), whose sum is σ = 65317704. Its totient is φ = 21772566.

The previous prime is 43545121. The next prime is 43545149. The reversal of 43545134 is 43154534.

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 = 43545097 and 43545106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10886282 + ... + 10886285.

It is an arithmetic number, because the mean of its divisors is an integer number (16329426).

Almost surely, 2^43545134 is an apocalyptic number.

43545134 is a deficient number, since it is larger than the sum of its proper divisors (21772570).

43545134 is a wasteful number, since it uses less digits than its factorization.

43545134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21772569.

The product of its digits is 14400, while the sum is 29.

The square root of 43545134 is about 6598.8736917750. The cubic root of 43545134 is about 351.8140751511.

Adding to 43545134 its reverse (43154534), we get a palindrome (86699668).

The spelling of 43545134 in words is "forty-three million, five hundred forty-five thousand, one hundred thirty-four".