645750146396 has 12 divisors (see below), whose sum is σ = 1130077406640. Its totient is φ = 322870887360.

The previous prime is 645750146387. The next prime is 645750146443. The reversal of 645750146396 is 693641057546.

645750146396 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, 685520 + ... + 1327191.

It is an arithmetic number, because the mean of its divisors is an integer number (94173117220).

Almost surely, 2^645750146396 is an apocalyptic number.

It is an amenable number.

645750146396 is a deficient number, since it is larger than the sum of its proper divisors (484327260244).

645750146396 is a wasteful number, since it uses less digits than its factorization.

645750146396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092924 (or 2092922 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 645750146396 in words is "six hundred forty-five billion, seven hundred fifty million, one hundred forty-six thousand, three hundred ninety-six".