43045861578602 has 4 divisors (see below), whose sum is σ = 64568792367906. Its totient is φ = 21522930789300.

The previous prime is 43045861578571. The next prime is 43045861578607. The reversal of 43045861578602 is 20687516854034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41347716387961 + 1698145190641 = 6430219^2 + 1303129^2 .

It is not an unprimeable number, because it can be changed into a prime (43045861578607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10761465394649 + ... + 10761465394652.

Almost surely, 2^{43045861578602} is an apocalyptic number.

43045861578602 is a deficient number, since it is larger than the sum of its proper divisors (21522930789304).

43045861578602 is a wasteful number, since it uses less digits than its factorization.

43045861578602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522930789303.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 43045861578602 in words is "forty-three trillion, forty-five billion, eight hundred sixty-one million, five hundred seventy-eight thousand, six hundred two".