645296014 has 16 divisors (see below), whose sum is σ = 1056919680. Its totient is φ = 293043960.

The previous prime is 645295997. The next prime is 645296053. The reversal of 645296014 is 410692546.

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, 11647 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (66057480).

Almost surely, 2^645296014 is an apocalyptic number.

645296014 is a deficient number, since it is larger than the sum of its proper divisors (411623666).

645296014 is a wasteful number, since it uses less digits than its factorization.

645296014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27255.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 645296014 is about 25402.6772998438. The cubic root of 645296014 is about 864.1444151248.

The spelling of 645296014 in words is "six hundred forty-five million, two hundred ninety-six thousand, fourteen".