43145568 has 48 divisors (see below), whose sum is σ = 125843760. Its totient is φ = 14381568.

The previous prime is 43145549. The next prime is 43145569. The reversal of 43145568 is 86554134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43145569) 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, 24105 + ... + 25832.

It is an arithmetic number, because the mean of its divisors is an integer number (2621745).

Almost surely, 2^43145568 is an apocalyptic number.

43145568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43145568 is an abundant number, since it is smaller than the sum of its proper divisors (82698192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43145568 is a wasteful number, since it uses less digits than its factorization.

43145568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49956 (or 49942 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 43145568 is about 6568.5286023584. The cubic root of 43145568 is about 350.7346961526.

The spelling of 43145568 in words is "forty-three million, one hundred forty-five thousand, five hundred sixty-eight".