4245643000 has 32 divisors (see below), whose sum is σ = 9934806960. Its totient is φ = 1698256800.

The previous prime is 4245642983. The next prime is 4245643001. The reversal of 4245643000 is 3465424.

It is a self number, because there is not a number n which added to its sum of digits gives 4245643000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245643001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121822 + ... + 2123821.

Almost surely, 2^4245643000 is an apocalyptic number.

4245643000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4245643000 is an abundant number, since it is smaller than the sum of its proper divisors (5689163960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4245643000 is a wasteful number, since it uses less digits than its factorization.

4245643000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245664 (or 4245650 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4245643000 is about 65158.5988185750. The cubic root of 4245643000 is about 1619.2521824106.

The spelling of 4245643000 in words is "four billion, two hundred forty-five million, six hundred forty-three thousand".