45037805 has 8 divisors (see below), whose sum is σ = 54390552. Its totient is φ = 35800128.

The previous prime is 45037801. The next prime is 45037829. The reversal of 45037805 is 50873054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10156969 + 34880836 = 3187^2 + 5906^2 .

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 45037805 - 2² = 45037801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45037801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27902 + ... + 29471.

It is an arithmetic number, because the mean of its divisors is an integer number (6798819).

Almost surely, 2^45037805 is an apocalyptic number.

It is an amenable number.

45037805 is a deficient number, since it is larger than the sum of its proper divisors (9352747).

45037805 is a wasteful number, since it uses less digits than its factorization.

45037805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57535.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 45037805 is about 6711.0211592574. The cubic root of 45037805 is about 355.7889087548.

The spelling of 45037805 in words is "forty-five million, thirty-seven thousand, eight hundred five".