4545441151321 has 12 divisors (see below), whose sum is σ = 5287861837440. Its totient is φ = 3895865582280.

The previous prime is 4545441151291. The next prime is 4545441151327. The reversal of 4545441151321 is 1231511445454.

It is not a de Polignac number, because 4545441151321 - 2¹⁷ = 4545441020249 is a prime.

It is a super-2 number, since 2×4545441151321² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4545441151327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1847461 + ... + 3536098.

It is an arithmetic number, because the mean of its divisors is an integer number (440655153120).

Almost surely, 2^{4545441151321} is an apocalyptic number.

It is an amenable number.

4545441151321 is a deficient number, since it is larger than the sum of its proper divisors (742420686119).

4545441151321 is a wasteful number, since it uses less digits than its factorization.

4545441151321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400804 (or 5400797 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

Adding to 4545441151321 its reverse (1231511445454), we get a palindrome (5776952596775).

The spelling of 4545441151321 in words is "four trillion, five hundred forty-five billion, four hundred forty-one million, one hundred fifty-one thousand, three hundred twenty-one".