45320552020312 has 32 divisors (see below), whose sum is σ = 85009415500800. Its totient is φ = 22651376336800.

The previous prime is 45320552020309. The next prime is 45320552020379. The reversal of 45320552020312 is 21302025502354.

It is a super-2 number, since 2×45320552020312² (a number of 28 digits) contains 22 as substring.

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, 213087639 + ... + 213300217.

It is an arithmetic number, because the mean of its divisors is an integer number (2656544234400).

Almost surely, 2^{45320552020312} is an apocalyptic number.

It is an amenable number.

45320552020312 is a deficient number, since it is larger than the sum of its proper divisors (39688863480488).

45320552020312 is a wasteful number, since it uses less digits than its factorization.

45320552020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222927 (or 222923 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 45320552020312 its reverse (21302025502354), we get a palindrome (66622577522666).

The spelling of 45320552020312 in words is "forty-five trillion, three hundred twenty billion, five hundred fifty-two million, twenty thousand, three hundred twelve".