45752081 has 8 divisors (see below), whose sum is σ = 46634400. Its totient is φ = 44873440.

The previous prime is 45752071. The next prime is 45752101. The reversal of 45752081 is 18025754.

45752081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45752081 is a prime.

It is a super-2 number, since 2×45752081² = 4186505831661122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45752011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44390 + ... + 45408.

It is an arithmetic number, because the mean of its divisors is an integer number (5829300).

Almost surely, 2^45752081 is an apocalyptic number.

It is an amenable number.

45752081 is a deficient number, since it is larger than the sum of its proper divisors (882319).

45752081 is a wasteful number, since it uses less digits than its factorization.

45752081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 45752081 is about 6764.0284594316. The cubic root of 45752081 is about 357.6599274678.

The spelling of 45752081 in words is "forty-five million, seven hundred fifty-two thousand, eighty-one".