45720443 has 8 divisors (see below), whose sum is σ = 48823680. Its totient is φ = 42719040.

The previous prime is 45720439. The next prime is 45720469. The reversal of 45720443 is 34402754.

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 45720443 - 2² = 45720439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45720473) 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, 24530 + ... + 26327.

It is an arithmetic number, because the mean of its divisors is an integer number (6102960).

Almost surely, 2^45720443 is an apocalyptic number.

45720443 is a deficient number, since it is larger than the sum of its proper divisors (3103237).

45720443 is a wasteful number, since it uses less digits than its factorization.

45720443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50917.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 45720443 is about 6761.6893599159. The cubic root of 45720443 is about 357.5774667080.

The spelling of 45720443 in words is "forty-five million, seven hundred twenty thousand, four hundred forty-three".