445048623 has 12 divisors (see below), whose sum is σ = 653744520. Its totient is φ = 291669936.

The previous prime is 445048621. The next prime is 445048649. The reversal of 445048623 is 326840544.

It is not a de Polignac number, because 445048623 - 2¹ = 445048621 is a prime.

It is a super-2 number, since 2×445048623² = 396136553668392258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445048621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418536 + ... + 419597.

It is an arithmetic number, because the mean of its divisors is an integer number (54478710).

Almost surely, 2^445048623 is an apocalyptic number.

445048623 is a deficient number, since it is larger than the sum of its proper divisors (208695897).

445048623 is a wasteful number, since it uses less digits than its factorization.

445048623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838198 (or 838195 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 445048623 is about 21096.1755538771. The cubic root of 445048623 is about 763.4884776895.

The spelling of 445048623 in words is "four hundred forty-five million, forty-eight thousand, six hundred twenty-three".