45443081 has 8 divisors (see below), whose sum is σ = 46421760. Its totient is φ = 44474832.

The previous prime is 45443077. The next prime is 45443093. The reversal of 45443081 is 18034454.

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 45443081 - 2² = 45443077 is a prime.

It is a super-2 number, since 2×45443081² = 4130147221545122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45443051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6536 + ... + 11558.

It is an arithmetic number, because the mean of its divisors is an integer number (5802720).

Almost surely, 2^45443081 is an apocalyptic number.

It is an amenable number.

45443081 is a deficient number, since it is larger than the sum of its proper divisors (978679).

45443081 is a wasteful number, since it uses less digits than its factorization.

45443081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 45443081 is about 6741.1483443105. The cubic root of 45443081 is about 356.8529211295.

The spelling of 45443081 in words is "forty-five million, four hundred forty-three thousand, eighty-one".