45232023221 has 16 divisors (see below), whose sum is σ = 56798891520. Its totient is φ = 34992157680.

The previous prime is 45232023217. The next prime is 45232023227. The reversal of 45232023221 is 12232023254.

It is a cyclic number.

It is not a de Polignac number, because 45232023221 - 2² = 45232023217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45232023227) 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, 2102351 + ... + 2123756.

It is an arithmetic number, because the mean of its divisors is an integer number (3549930720).

Almost surely, 2^45232023221 is an apocalyptic number.

It is an amenable number.

45232023221 is a deficient number, since it is larger than the sum of its proper divisors (11566868299).

45232023221 is a wasteful number, since it uses less digits than its factorization.

45232023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226264.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 45232023221 its reverse (12232023254), we get a palindrome (57464046475).

The spelling of 45232023221 in words is "forty-five billion, two hundred thirty-two million, twenty-three thousand, two hundred twenty-one".