1645433014 has 8 divisors (see below), whose sum is σ = 2499392160. Its totient is φ = 812302296.

The previous prime is 1645432993. The next prime is 1645433017. The reversal of 1645433014 is 4103345461.

It is a happy number.

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

It is a super-2 number, since 2×1645433014² = 5414899607122248392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645433017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5206909 + ... + 5207224.

It is an arithmetic number, because the mean of its divisors is an integer number (312424020).

Almost surely, 2^1645433014 is an apocalyptic number.

1645433014 is a deficient number, since it is larger than the sum of its proper divisors (853959146).

1645433014 is a wasteful number, since it uses less digits than its factorization.

1645433014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414214.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1645433014 is about 40563.9373582003. The cubic root of 1645433014 is about 1180.5745105309.

Adding to 1645433014 its reverse (4103345461), we get a palindrome (5748778475).

The spelling of 1645433014 in words is "one billion, six hundred forty-five million, four hundred thirty-three thousand, fourteen".