745017242171053 has 8 divisors (see below), whose sum is σ = 762345128160000. Its totient is φ = 727689442710048.

The previous prime is 745017242171021. The next prime is 745017242171087. The reversal of 745017242171053 is 350171242710547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745017242171053 - 2⁵ = 745017242171021 is a prime.

It is a super-2 number, since 2×745017242171053² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745017242170988 and 745017242171006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745017242151053) 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, 4047133 + ... + 38812546.

It is an arithmetic number, because the mean of its divisors is an integer number (95293141020000).

Almost surely, 2^{745017242171053} is an apocalyptic number.

It is an amenable number.

745017242171053 is a deficient number, since it is larger than the sum of its proper divisors (17327885988947).

745017242171053 is a wasteful number, since it uses less digits than its factorization.

745017242171053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43263971.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 745017242171053 in words is "seven hundred forty-five trillion, seventeen billion, two hundred forty-two million, one hundred seventy-one thousand, fifty-three".