445563542 has 4 divisors (see below), whose sum is σ = 668345316. Its totient is φ = 222781770.

The previous prime is 445563493. The next prime is 445563607. The reversal of 445563542 is 245365544.

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

It is a junction number, because it is equal to n+sod(n) for n = 445563496 and 445563505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111390884 + ... + 111390887.

It is an arithmetic number, because the mean of its divisors is an integer number (167086329).

Almost surely, 2^445563542 is an apocalyptic number.

445563542 is a deficient number, since it is larger than the sum of its proper divisors (222781774).

445563542 is a wasteful number, since it uses less digits than its factorization.

445563542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222781773.

The product of its digits is 288000, while the sum is 38.

The square root of 445563542 is about 21108.3761099711. The cubic root of 445563542 is about 763.7828149688.

The spelling of 445563542 in words is "four hundred forty-five million, five hundred sixty-three thousand, five hundred forty-two".