4945645 has 8 divisors (see below), whose sum is σ = 6073056. Its totient is φ = 3864336.

The previous prime is 4945639. The next prime is 4945651. The reversal of 4945645 is 5465494.

It is an interprime number because it is at equal distance from previous prime (4945639) and next prime (4945651).

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 4945645 - 2⁵ = 4945613 is a prime.

It is a super-3 number, since 3×4945645³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11287 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (759132).

Almost surely, 2^4945645 is an apocalyptic number.

It is an amenable number.

4945645 is a deficient number, since it is larger than the sum of its proper divisors (1127411).

4945645 is a wasteful number, since it uses less digits than its factorization.

4945645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23051.

The product of its digits is 86400, while the sum is 37.

The square root of 4945645 is about 2223.8806172994. The cubic root of 4945645 is about 170.3756973614.

The spelling of 4945645 in words is "four million, nine hundred forty-five thousand, six hundred forty-five".