45162643 has 4 divisors (see below), whose sum is σ = 45507528. Its totient is φ = 44817760.

The previous prime is 45162617. The next prime is 45162661. The reversal of 45162643 is 34626154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45162643 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45162613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172246 + ... + 172507.

It is an arithmetic number, because the mean of its divisors is an integer number (11376882).

Almost surely, 2^45162643 is an apocalyptic number.

45162643 is a deficient number, since it is larger than the sum of its proper divisors (344885).

45162643 is a wasteful number, since it uses less digits than its factorization.

45162643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344884.

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

The square root of 45162643 is about 6720.3156919895. The cubic root of 45162643 is about 356.1173365482.

Adding to 45162643 its reverse (34626154), we get a palindrome (79788797).

The spelling of 45162643 in words is "forty-five million, one hundred sixty-two thousand, six hundred forty-three".