645014130245 has 8 divisors (see below), whose sum is σ = 774230972184. Its totient is φ = 515868626944.

The previous prime is 645014130239. The next prime is 645014130251. The reversal of 645014130245 is 542031410546.

645014130245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (645014130239) and next prime (645014130251).

It can be written as a sum of positive squares in 4 ways, for example, as 35512271809 + 609501858436 = 188447^2 + 780706^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 645014130245 - 2⁶ = 645014130181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17814764 + ... + 17850933.

It is an arithmetic number, because the mean of its divisors is an integer number (96778871523).

Almost surely, 2^645014130245 is an apocalyptic number.

It is an amenable number.

645014130245 is a deficient number, since it is larger than the sum of its proper divisors (129216841939).

645014130245 is a wasteful number, since it uses less digits than its factorization.

645014130245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35669319.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 645014130245 in words is "six hundred forty-five billion, fourteen million, one hundred thirty thousand, two hundred forty-five".