43158090 has 64 divisors (see below), whose sum is σ = 108345600. Its totient is φ = 10988544.

The previous prime is 43158067. The next prime is 43158103. The reversal of 43158090 is 9085134.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98091 + ... + 98529.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^43158090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43158090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54172800).

43158090 is an abundant number, since it is smaller than the sum of its proper divisors (65187510).

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

43158090 is a wasteful number, since it uses less digits than its factorization.

43158090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 43158090 is about 6569.4817147169. The cubic root of 43158090 is about 350.7686237397.

The spelling of 43158090 in words is "forty-three million, one hundred fifty-eight thousand, ninety".