45127645 has 8 divisors (see below), whose sum is σ = 55175256. Its totient is φ = 35420736.

The previous prime is 45127637. The next prime is 45127703. The reversal of 45127645 is 54672154.

It can be written as a sum of positive squares in 4 ways, for example, as 851929 + 44275716 = 923^2 + 6654^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45127645 - 2³ = 45127637 is a prime.

It is a super-4 number, since 4×45127645⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45127645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84882 + ... + 85411.

It is an arithmetic number, because the mean of its divisors is an integer number (6896907).

Almost surely, 2^45127645 is an apocalyptic number.

It is an amenable number.

45127645 is a deficient number, since it is larger than the sum of its proper divisors (10047611).

45127645 is a wasteful number, since it uses less digits than its factorization.

45127645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170351.

The product of its digits is 33600, while the sum is 34.

The square root of 45127645 is about 6717.7112918017. The cubic root of 45127645 is about 356.0253238098.

Adding to 45127645 its reverse (54672154), we get a palindrome (99799799).

The spelling of 45127645 in words is "forty-five million, one hundred twenty-seven thousand, six hundred forty-five".