745741345 has 8 divisors (see below), whose sum is σ = 897595200. Its totient is φ = 594789360.

The previous prime is 745741343. The next prime is 745741357. The reversal of 745741345 is 543147547.

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

It is not a de Polignac number, because 745741345 - 2¹ = 745741343 is a prime.

It is a super-2 number, since 2×745741345² = 1112260307284818050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745741298 and 745741307.

It is not an unprimeable number, because it can be changed into a prime (745741343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223645 + ... + 226954.

It is an arithmetic number, because the mean of its divisors is an integer number (112199400).

Almost surely, 2^745741345 is an apocalyptic number.

It is an amenable number.

745741345 is a deficient number, since it is larger than the sum of its proper divisors (151853855).

745741345 is a wasteful number, since it uses less digits than its factorization.

745741345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450935.

The product of its digits is 235200, while the sum is 40.

The square root of 745741345 is about 27308.2651407957. The cubic root of 745741345 is about 906.8373668621.

The spelling of 745741345 in words is "seven hundred forty-five million, seven hundred forty-one thousand, three hundred forty-five".