445312102 has 4 divisors (see below), whose sum is σ = 667968156. Its totient is φ = 222656050.

The previous prime is 445312097. The next prime is 445312129. The reversal of 445312102 is 201213544.

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

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, 111328024 + ... + 111328027.

It is an arithmetic number, because the mean of its divisors is an integer number (166992039).

Almost surely, 2^445312102 is an apocalyptic number.

445312102 is a deficient number, since it is larger than the sum of its proper divisors (222656054).

445312102 is a wasteful number, since it uses less digits than its factorization.

445312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222656053.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 445312102 is about 21102.4193399714. The cubic root of 445312102 is about 763.6391155341.

Adding to 445312102 its reverse (201213544), we get a palindrome (646525646).

The spelling of 445312102 in words is "four hundred forty-five million, three hundred twelve thousand, one hundred two".