5645283378 has 16 divisors (see below), whose sum is σ = 12903504960. Its totient is φ = 1612938096.

The previous prime is 5645283359. The next prime is 5645283403. The reversal of 5645283378 is 8733825465.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5645283378.

It is an unprimeable number.

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, 67205713 + ... + 67205796.

It is an arithmetic number, because the mean of its divisors is an integer number (806469060).

Almost surely, 2^5645283378 is an apocalyptic number.

5645283378 is an abundant number, since it is smaller than the sum of its proper divisors (7258221582).

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

5645283378 is a wasteful number, since it uses less digits than its factorization.

5645283378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134411521.

The product of its digits is 4838400, while the sum is 51.

The square root of 5645283378 is about 75135.1008384230. The cubic root of 5645283378 is about 1780.5817416385.

The spelling of 5645283378 in words is "five billion, six hundred forty-five million, two hundred eighty-three thousand, three hundred seventy-eight".