45321023232 has 72 divisors (see below), whose sum is σ = 134022259280. Its totient is φ = 15107005440.

The previous prime is 45321023207. The next prime is 45321023243. The reversal of 45321023232 is 23232012354.

45321023232 is a `hidden beast` number, since 4 + 532 + 102 + 3 + 23 + 2 = 666.

45321023232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45321023196 and 45321023205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271519 + ... + 3285342.

Almost surely, 2^45321023232 is an apocalyptic number.

It is an amenable number.

45321023232 is an abundant number, since it is smaller than the sum of its proper divisors (88701236048).

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

45321023232 is an equidigital number, since it uses as much as digits as its factorization.

45321023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556886 (or 6556866 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 45321023232 its reverse (23232012354), we get a palindrome (68553035586).

The spelling of 45321023232 in words is "forty-five billion, three hundred twenty-one million, twenty-three thousand, two hundred thirty-two".