745317572152 has 8 divisors (see below), whose sum is σ = 1397470447800. Its totient is φ = 372658786072.

The previous prime is 745317572149. The next prime is 745317572161. The reversal of 745317572152 is 251275713547.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×745317572152² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745317572096 and 745317572105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46582348252 + ... + 46582348267.

It is an arithmetic number, because the mean of its divisors is an integer number (174683805975).

Almost surely, 2^745317572152 is an apocalyptic number.

It is an amenable number.

745317572152 is a deficient number, since it is larger than the sum of its proper divisors (652152875648).

745317572152 is a wasteful number, since it uses less digits than its factorization.

745317572152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93164696525 (or 93164696521 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 49.

The spelling of 745317572152 in words is "seven hundred forty-five billion, three hundred seventeen million, five hundred seventy-two thousand, one hundred fifty-two".