1745216444 has 24 divisors (see below), whose sum is σ = 3142970880. Its totient is φ = 847319616.

The previous prime is 1745216441. The next prime is 1745216461. The reversal of 1745216444 is 4446125471.

It is a junction number, because it is equal to n+sod(n) for n = 1745216398 and 1745216407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745216441) 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, 63749 + ... + 86915.

It is an arithmetic number, because the mean of its divisors is an integer number (130957120).

Almost surely, 2^1745216444 is an apocalyptic number.

It is an amenable number.

1745216444 is a deficient number, since it is larger than the sum of its proper divisors (1397754436).

1745216444 is a wasteful number, since it uses less digits than its factorization.

1745216444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23717 (or 23715 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 1745216444 is about 41775.7877723449. The cubic root of 1745216444 is about 1203.9721253062.

The spelling of 1745216444 in words is "one billion, seven hundred forty-five million, two hundred sixteen thousand, four hundred forty-four".