4451340023045 has 4 divisors (see below), whose sum is σ = 5341608027660. Its totient is φ = 3561072018432.

The previous prime is 4451340023029. The next prime is 4451340023047. The reversal of 4451340023045 is 5403200431544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1184507899201 + 3266832123844 = 1088351^2 + 1807438^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451340023045 - 2⁴ = 4451340023029 is a prime.

It is a super-2 number, since 2×4451340023045² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4451340022996 and 4451340023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451340023047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445134002300 + ... + 445134002309.

It is an arithmetic number, because the mean of its divisors is an integer number (1335402006915).

Almost surely, 2^{4451340023045} is an apocalyptic number.

It is an amenable number.

4451340023045 is a deficient number, since it is larger than the sum of its proper divisors (890268004615).

4451340023045 is an equidigital number, since it uses as much as digits as its factorization.

4451340023045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890268004614.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 4451340023045 its reverse (5403200431544), we get a palindrome (9854540454589).

The spelling of 4451340023045 in words is "four trillion, four hundred fifty-one billion, three hundred forty million, twenty-three thousand, forty-five".