445293249 has 8 divisors (see below), whose sum is σ = 594965760. Its totient is φ = 296241456.

The previous prime is 445293241. The next prime is 445293259. The reversal of 445293249 is 942392544.

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

It is not a de Polignac number, because 445293249 - 2³ = 445293241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445293249.

It is not an unprimeable number, because it can be changed into a prime (445293241) 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, 153502 + ... + 156375.

It is an arithmetic number, because the mean of its divisors is an integer number (74370720).

Almost surely, 2^445293249 is an apocalyptic number.

It is an amenable number.

445293249 is a deficient number, since it is larger than the sum of its proper divisors (149672511).

445293249 is a wasteful number, since it uses less digits than its factorization.

445293249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310359.

The product of its digits is 311040, while the sum is 42.

The square root of 445293249 is about 21101.9726329080. The cubic root of 445293249 is about 763.6283387543.

The spelling of 445293249 in words is "four hundred forty-five million, two hundred ninety-three thousand, two hundred forty-nine".