445667249 has 8 divisors (see below), whose sum is σ = 469355040. Its totient is φ = 422002656.

The previous prime is 445667197. The next prime is 445667269. The reversal of 445667249 is 942766544.

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 445667249 - 2²⁰ = 444618673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445667269) 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, 45242 + ... + 54204.

It is an arithmetic number, because the mean of its divisors is an integer number (58669380).

Almost surely, 2^445667249 is an apocalyptic number.

It is an amenable number.

445667249 is a deficient number, since it is larger than the sum of its proper divisors (23687791).

445667249 is a wasteful number, since it uses less digits than its factorization.

445667249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599.

The product of its digits is 1451520, while the sum is 47.

The square root of 445667249 is about 21110.8325037171. The cubic root of 445667249 is about 763.8420683803.

It can be divided in two parts, 44566 and 7249, that added together give a palindrome (51815).

The spelling of 445667249 in words is "four hundred forty-five million, six hundred sixty-seven thousand, two hundred forty-nine".