5645481 has 8 divisors (see below), whose sum is σ = 7570080. Its totient is φ = 3742272.

The previous prime is 5645473. The next prime is 5645483. The reversal of 5645481 is 1845465.

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

It is not a de Polignac number, because 5645481 - 2³ = 5645473 is a prime.

It is a super-2 number, since 2×5645481² = 63742911442722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5645483) 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, 4720 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (946260).

Almost surely, 2^5645481 is an apocalyptic number.

It is an amenable number.

5645481 is a deficient number, since it is larger than the sum of its proper divisors (1924599).

5645481 is a wasteful number, since it uses less digits than its factorization.

5645481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695.

The product of its digits is 19200, while the sum is 33.

The square root of 5645481 is about 2376.0220958569. The cubic root of 5645481 is about 178.0602518748.

The spelling of 5645481 in words is "five million, six hundred forty-five thousand, four hundred eighty-one".