645360152 has 16 divisors (see below), whose sum is σ = 1219580160. Its totient is φ = 320138784.

The previous prime is 645360101. The next prime is 645360167. The reversal of 645360152 is 251063546.

645360152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316583 + ... + 318614.

It is an arithmetic number, because the mean of its divisors is an integer number (76223760).

Almost surely, 2^645360152 is an apocalyptic number.

It is an amenable number.

645360152 is a deficient number, since it is larger than the sum of its proper divisors (574220008).

645360152 is a wasteful number, since it uses less digits than its factorization.

645360152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635330 (or 635326 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 645360152 is about 25403.9396944647. The cubic root of 645360152 is about 864.1730441865.

The spelling of 645360152 in words is "six hundred forty-five million, three hundred sixty thousand, one hundred fifty-two".