45127837 has 4 divisors (see below), whose sum is σ = 45141696. Its totient is φ = 45113980.

The previous prime is 45127829. The next prime is 45127867. The reversal of 45127837 is 73872154.

It is the 2743-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73872154 = 2 ⋅36936077.

It is a cyclic number.

It is not a de Polignac number, because 45127837 - 2³ = 45127829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45127796 and 45127805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45127867) 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, 918 + ... + 9544.

It is an arithmetic number, because the mean of its divisors is an integer number (11285424).

Almost surely, 2^45127837 is an apocalyptic number.

It is an amenable number.

45127837 is a deficient number, since it is larger than the sum of its proper divisors (13859).

45127837 is an equidigital number, since it uses as much as digits as its factorization.

45127837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858.

The product of its digits is 47040, while the sum is 37.

The square root of 45127837 is about 6717.7255823679. The cubic root of 45127837 is about 356.0258287240.

The spelling of 45127837 in words is "forty-five million, one hundred twenty-seven thousand, eight hundred thirty-seven".