43145676 has 144 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 11884320.

The previous prime is 43145651. The next prime is 43145689. The reversal of 43145676 is 67654134.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43145676.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163921 + ... + 164183.

It is an arithmetic number, because the mean of its divisors is an integer number (936320).

Almost surely, 2^43145676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43145676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67415040).

43145676 is an abundant number, since it is smaller than the sum of its proper divisors (91684404).

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

43145676 is a wasteful number, since it uses less digits than its factorization.

43145676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 306 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 43145676 is about 6568.5368233725. The cubic root of 43145676 is about 350.7349888000.

The spelling of 43145676 in words is "forty-three million, one hundred forty-five thousand, six hundred seventy-six".