43145075 has 18 divisors (see below), whose sum is σ = 54428436. Its totient is φ = 33924240.

The previous prime is 43145057. The next prime is 43145093. The reversal of 43145075 is 57054134.

It is an interprime number because it is at equal distance from previous prime (43145057) and next prime (43145093).

It is not a de Polignac number, because 43145075 - 2⁸ = 43144819 is a prime.

It is a super-2 number, since 2×43145075² = 3722994993511250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 339662 + ... + 339788.

It is an arithmetic number, because the mean of its divisors is an integer number (3023802).

Almost surely, 2^43145075 is an apocalyptic number.

43145075 is a deficient number, since it is larger than the sum of its proper divisors (11283361).

43145075 is a wasteful number, since it uses less digits than its factorization.

43145075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 43145075 is about 6568.4910748208. The cubic root of 43145075 is about 350.7333602652.

The spelling of 43145075 in words is "forty-three million, one hundred forty-five thousand, seventy-five".