1645362314 has 4 divisors (see below), whose sum is σ = 2468043474. Its totient is φ = 822681156.

The previous prime is 1645362311. The next prime is 1645362359. The reversal of 1645362314 is 4132635461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1259043289 + 386319025 = 35483^2 + 19655^2 .

It is not an unprimeable number, because it can be changed into a prime (1645362311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411340577 + ... + 411340580.

Almost surely, 2^1645362314 is an apocalyptic number.

1645362314 is a deficient number, since it is larger than the sum of its proper divisors (822681160).

1645362314 is an equidigital number, since it uses as much as digits as its factorization.

1645362314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822681159.

The product of its digits is 51840, while the sum is 35.

The square root of 1645362314 is about 40563.0658851128. The cubic root of 1645362314 is about 1180.5576015445.

Adding to 1645362314 its reverse (4132635461), we get a palindrome (5777997775).

The spelling of 1645362314 in words is "one billion, six hundred forty-five million, three hundred sixty-two thousand, three hundred fourteen".