1645433295 has 32 divisors (see below), whose sum is σ = 2873850624. Its totient is φ = 797280000.

The previous prime is 1645433263. The next prime is 1645433297. The reversal of 1645433295 is 5923345461.

It is not a de Polignac number, because 1645433295 - 2⁵ = 1645433263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645433297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493504 + ... + 496826.

It is an arithmetic number, because the mean of its divisors is an integer number (89807832).

Almost surely, 2^1645433295 is an apocalyptic number.

1645433295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1645433295 is a deficient number, since it is larger than the sum of its proper divisors (1228417329).

1645433295 is a wasteful number, since it uses less digits than its factorization.

1645433295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343.

The product of its digits is 388800, while the sum is 42.

The square root of 1645433295 is about 40563.9408218679. The cubic root of 1645433295 is about 1180.5745777354.

The spelling of 1645433295 in words is "one billion, six hundred forty-five million, four hundred thirty-three thousand, two hundred ninety-five".