45532531032321 has 16 divisors (see below), whose sum is σ = 60836140800000. Its totient is φ = 30291979850448.

The previous prime is 45532531032301. The next prime is 45532531032347. The reversal of 45532531032321 is 12323013523554.

It is not a de Polignac number, because 45532531032321 - 2⁶ = 45532531032257 is a prime.

It is a super-2 number, since 2×45532531032321² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45532531032321.

It is not an unprimeable number, because it can be changed into a prime (45532531032301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19555000 + ... + 21759206.

It is an arithmetic number, because the mean of its divisors is an integer number (3802258800000).

Almost surely, 2^{45532531032321} is an apocalyptic number.

It is an amenable number.

45532531032321 is a deficient number, since it is larger than the sum of its proper divisors (15303609767679).

45532531032321 is a wasteful number, since it uses less digits than its factorization.

45532531032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218508.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 45532531032321 its reverse (12323013523554), we get a palindrome (57855544555875).

The spelling of 45532531032321 in words is "forty-five trillion, five hundred thirty-two billion, five hundred thirty-one million, thirty-two thousand, three hundred twenty-one".