445270442 has 16 divisors (see below), whose sum is σ = 680726592. Its totient is φ = 218402400.

The previous prime is 445270439. The next prime is 445270447. The reversal of 445270442 is 244072544.

It is a junction number, because it is equal to n+sod(n) for n = 445270399 and 445270408.

It is not an unprimeable number, because it can be changed into a prime (445270447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11942 + ... + 32142.

It is an arithmetic number, because the mean of its divisors is an integer number (42545412).

Almost surely, 2^445270442 is an apocalyptic number.

445270442 is a deficient number, since it is larger than the sum of its proper divisors (235456150).

445270442 is a wasteful number, since it uses less digits than its factorization.

445270442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20413.

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 445270442 is about 21101.4322262732. The cubic root of 445270442 is about 763.6153013766.

The spelling of 445270442 in words is "four hundred forty-five million, two hundred seventy thousand, four hundred forty-two".