45443247 has 8 divisors (see below), whose sum is σ = 61321344. Its totient is φ = 29930328.

The previous prime is 45443243. The next prime is 45443257. The reversal of 45443247 is 74234454.

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

It is not a de Polignac number, because 45443247 - 2² = 45443243 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443243) 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, 91003 + ... + 91500.

It is an arithmetic number, because the mean of its divisors is an integer number (7665168).

Almost surely, 2^45443247 is an apocalyptic number.

45443247 is a deficient number, since it is larger than the sum of its proper divisors (15878097).

45443247 is a wasteful number, since it uses less digits than its factorization.

45443247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182589.

The product of its digits is 53760, while the sum is 33.

The square root of 45443247 is about 6741.1606567415. The cubic root of 45443247 is about 356.8533556475.

The spelling of 45443247 in words is "forty-five million, four hundred forty-three thousand, two hundred forty-seven".