5645478 has 8 divisors (see below), whose sum is σ = 11290968. Its totient is φ = 1881824.

The previous prime is 5645473. The next prime is 5645483. The reversal of 5645478 is 8745465.

It is an interprime number because it is at equal distance from previous prime (5645473) and next prime (5645483).

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

5645478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470451 + ... + 470462.

It is an arithmetic number, because the mean of its divisors is an integer number (1411371).

Almost surely, 2^5645478 is an apocalyptic number.

5645478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5645478 is a wasteful number, since it uses less digits than its factorization.

5645478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940918.

The product of its digits is 134400, while the sum is 39.

The square root of 5645478 is about 2376.0214645495. The cubic root of 5645478 is about 178.0602203345.

The spelling of 5645478 in words is "five million, six hundred forty-five thousand, four hundred seventy-eight".