645033435 has 8 divisors (see below), whose sum is σ = 1032053520. Its totient is φ = 344017824.

The previous prime is 645033427. The next prime is 645033449. The reversal of 645033435 is 534330546.

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

It is not a de Polignac number, because 645033435 - 2³ = 645033427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 645033396 and 645033405.

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, 21501100 + ... + 21501129.

It is an arithmetic number, because the mean of its divisors is an integer number (129006690).

Almost surely, 2^645033435 is an apocalyptic number.

645033435 is a deficient number, since it is larger than the sum of its proper divisors (387020085).

645033435 is a wasteful number, since it uses less digits than its factorization.

645033435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43002237.

The product of its (nonzero) digits is 64800, while the sum is 33.

The square root of 645033435 is about 25397.5084407900. The cubic root of 645033435 is about 864.0271888413.

The spelling of 645033435 in words is "six hundred forty-five million, thirty-three thousand, four hundred thirty-five".