3645277144 has 8 divisors (see below), whose sum is σ = 6834894660. Its totient is φ = 1822638568.

The previous prime is 3645277127. The next prime is 3645277157. The reversal of 3645277144 is 4417725463.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3645277144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227829814 + ... + 227829829.

Almost surely, 2^3645277144 is an apocalyptic number.

It is an amenable number.

3645277144 is a deficient number, since it is larger than the sum of its proper divisors (3189617516).

3645277144 is a wasteful number, since it uses less digits than its factorization.

3645277144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455659649 (or 455659645 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 3645277144 is about 60376.1305815469. The cubic root of 3645277144 is about 1539.0173559237.

The spelling of 3645277144 in words is "three billion, six hundred forty-five million, two hundred seventy-seven thousand, one hundred forty-four".