45443539 has 8 divisors (see below), whose sum is σ = 46837728. Its totient is φ = 44063040.

The previous prime is 45443537. The next prime is 45443543. The reversal of 45443539 is 93534454.

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 45443539 - 2¹ = 45443537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45443498 and 45443507.

It is not an unprimeable number, because it can be changed into a prime (45443537) 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, 3529 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (5854716).

Almost surely, 2^45443539 is an apocalyptic number.

45443539 is a deficient number, since it is larger than the sum of its proper divisors (1394189).

45443539 is a wasteful number, since it uses less digits than its factorization.

45443539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845.

The product of its digits is 129600, while the sum is 37.

The square root of 45443539 is about 6741.1823146982. The cubic root of 45443539 is about 356.8541199779.

The spelling of 45443539 in words is "forty-five million, four hundred forty-three thousand, five hundred thirty-nine".