45532303232 has 64 divisors (see below), whose sum is σ = 98333964960. Its totient is φ = 20875622400.

The previous prime is 45532303181. The next prime is 45532303237. The reversal of 45532303232 is 23230323554.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×45532303232² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45532303237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160658 + ... + 341870.

Almost surely, 2^45532303232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45532303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49166982480).

45532303232 is an abundant number, since it is smaller than the sum of its proper divisors (52801661728).

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

45532303232 is a wasteful number, since it uses less digits than its factorization.

45532303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181391 (or 181379 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 45532303232 its reverse (23230323554), we get a palindrome (68762626786).

The spelling of 45532303232 in words is "forty-five billion, five hundred thirty-two million, three hundred three thousand, two hundred thirty-two".