445782749 has 8 divisors (see below), whose sum is σ = 452404032. Its totient is φ = 439175520.

The previous prime is 445782737. The next prime is 445782773. The reversal of 445782749 is 947287544.

It is a happy number.

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 445782749 - 2¹⁶ = 445717213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445782697 and 445782706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445785749) 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, 72302 + ... + 78224.

It is an arithmetic number, because the mean of its divisors is an integer number (56550504).

Almost surely, 2^445782749 is an apocalyptic number.

It is an amenable number.

445782749 is a deficient number, since it is larger than the sum of its proper divisors (6621283).

445782749 is a wasteful number, since it uses less digits than its factorization.

445782749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027.

The product of its digits is 2257920, while the sum is 50.

The square root of 445782749 is about 21113.5678889192. The cubic root of 445782749 is about 763.9080489512.

The spelling of 445782749 in words is "four hundred forty-five million, seven hundred eighty-two thousand, seven hundred forty-nine".