45027943 has 4 divisors (see below), whose sum is σ = 45766168. Its totient is φ = 44289720.

The previous prime is 45027919. The next prime is 45027959. The reversal of 45027943 is 34972054.

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

It is a cyclic number.

It is not a de Polignac number, because 45027943 - 2⁹ = 45027431 is a prime.

It is a super-2 number, since 2×45027943² = 4055031301622498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45027899 and 45027908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45027973) 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, 369021 + ... + 369142.

It is an arithmetic number, because the mean of its divisors is an integer number (11441542).

Almost surely, 2^45027943 is an apocalyptic number.

45027943 is a deficient number, since it is larger than the sum of its proper divisors (738225).

45027943 is an equidigital number, since it uses as much as digits as its factorization.

45027943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738224.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 45027943 is about 6710.2863575260. The cubic root of 45027943 is about 355.7629376374.

Adding to 45027943 its reverse (34972054), we get a palindrome (79999997).

The spelling of 45027943 in words is "forty-five million, twenty-seven thousand, nine hundred forty-three".