2043226545 has 16 divisors (see below), whose sum is σ = 3270922560. Its totient is φ = 1089134144.

The previous prime is 2043226531. The next prime is 2043226547. The reversal of 2043226545 is 5456223402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2043226545 - 2⁴ = 2043226529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043226547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7110 + ... + 64319.

It is an arithmetic number, because the mean of its divisors is an integer number (204432660).

Almost surely, 2^2043226545 is an apocalyptic number.

It is an amenable number.

2043226545 is a deficient number, since it is larger than the sum of its proper divisors (1227696015).

2043226545 is a wasteful number, since it uses less digits than its factorization.

2043226545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73344.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2043226545 is about 45202.0635037827. The cubic root of 2043226545 is about 1268.9334350356.

Adding to 2043226545 its reverse (5456223402), we get a palindrome (7499449947).

The spelling of 2043226545 in words is "two billion, forty-three million, two hundred twenty-six thousand, five hundred forty-five".