445153323 has 4 divisors (see below), whose sum is σ = 593537768. Its totient is φ = 296768880.

The previous prime is 445153297. The next prime is 445153333. The reversal of 445153323 is 323351544.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 445153323 - 2⁸ = 445153067 is a prime.

It is a super-2 number, since 2×445153323² = 396322961955884658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445153333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74192218 + ... + 74192223.

It is an arithmetic number, because the mean of its divisors is an integer number (148384442).

Almost surely, 2^445153323 is an apocalyptic number.

445153323 is a deficient number, since it is larger than the sum of its proper divisors (148384445).

445153323 is a wasteful number, since it uses less digits than its factorization.

445153323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148384444.

The product of its digits is 21600, while the sum is 30.

The square root of 445153323 is about 21098.6569003811. The cubic root of 445153323 is about 763.5483445383.

The spelling of 445153323 in words is "four hundred forty-five million, one hundred fifty-three thousand, three hundred twenty-three".