945417645 has 24 divisors (see below), whose sum is σ = 1709974656. Its totient is φ = 482299488.

The previous prime is 945417607. The next prime is 945417659. The reversal of 945417645 is 546714549.

It is not a de Polignac number, because 945417645 - 2⁹ = 945417133 is a prime.

It is a super-3 number, since 3×945417645³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 945417645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455689 + ... + 457758.

It is an arithmetic number, because the mean of its divisors is an integer number (71248944).

Almost surely, 2^945417645 is an apocalyptic number.

It is an amenable number.

945417645 is a deficient number, since it is larger than the sum of its proper divisors (764557011).

945417645 is a wasteful number, since it uses less digits than its factorization.

945417645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913481 (or 913478 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 945417645 is about 30747.6445439321. The cubic root of 945417645 is about 981.4644373192.

The spelling of 945417645 in words is "nine hundred forty-five million, four hundred seventeen thousand, six hundred forty-five".