43045992 has 168 divisors, whose sum is σ = 135193170. Its totient is φ = 12830400.

The previous prime is 43045991. The next prime is 43045997. The reversal of 43045992 is 29954034.

It can be written as a sum of positive squares in only one way, i.e., 42693156 + 352836 = 6534^2 + 594^2 .

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

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3, base 9 and base 11.

It is not an unprimeable number, because it can be changed into a prime (43045991) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 705642 + ... + 705702.

Almost surely, 2^43045992 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 43045992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67596585).

43045992 is an abundant number, since it is smaller than the sum of its proper divisors (92147178).

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

43045992 is a wasteful number, since it uses less digits than its factorization.

43045992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 43045992 is about 6560.9444442092. The cubic root of 43045992 is about 350.4646671791.

It can be divided in two parts, 4304 and 5992, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 43045992 in words is "forty-three million, forty-five thousand, nine hundred ninety-two".