445654542 has 16 divisors (see below), whose sum is σ = 922044240. Its totient is φ = 143428992.

The previous prime is 445654499. The next prime is 445654589. The reversal of 445654542 is 245456544.

It is a self number, because there is not a number n which added to its sum of digits gives 445654542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280443 + ... + 1280790.

It is an arithmetic number, because the mean of its divisors is an integer number (57627765).

Almost surely, 2^445654542 is an apocalyptic number.

445654542 is an abundant number, since it is smaller than the sum of its proper divisors (476389698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445654542 is a wasteful number, since it uses less digits than its factorization.

445654542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561267.

The product of its digits is 384000, while the sum is 39.

The square root of 445654542 is about 21110.5315423369. The cubic root of 445654542 is about 763.8348086790.

The spelling of 445654542 in words is "four hundred forty-five million, six hundred fifty-four thousand, five hundred forty-two".