8203211445 has 64 divisors (see below), whose sum is σ = 15436044288. Its totient is φ = 3667488000.

The previous prime is 8203211431. The next prime is 8203211447. The reversal of 8203211445 is 5441123028.

It is not a de Polignac number, because 8203211445 - 2⁸ = 8203211189 is a prime.

It is a super-2 number, since 2×8203211445² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8203211447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3239830 + ... + 3242360.

It is an arithmetic number, because the mean of its divisors is an integer number (241188192).

Almost surely, 2^8203211445 is an apocalyptic number.

It is an amenable number.

8203211445 is a deficient number, since it is larger than the sum of its proper divisors (7232832843).

8203211445 is a wasteful number, since it uses less digits than its factorization.

8203211445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 8203211445 is about 90571.5818841650. The cubic root of 8203211445 is about 2016.7928918405.

The spelling of 8203211445 in words is "eight billion, two hundred three million, two hundred eleven thousand, four hundred forty-five".