445681302 has 16 divisors (see below), whose sum is σ = 972395712. Its totient is φ = 135054920.

The previous prime is 445681297. The next prime is 445681303. The reversal of 445681302 is 203186544.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445681303) 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, 3376308 + ... + 3376439.

It is an arithmetic number, because the mean of its divisors is an integer number (60774732).

Almost surely, 2^445681302 is an apocalyptic number.

445681302 is an abundant number, since it is smaller than the sum of its proper divisors (526714410).

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

445681302 is a wasteful number, since it uses less digits than its factorization.

445681302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752763.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 445681302 is about 21111.1653396964. The cubic root of 445681302 is about 763.8500969112.

It can be divided in two parts, 4456 and 81302, that added together give a palindrome (85758).

The spelling of 445681302 in words is "four hundred forty-five million, six hundred eighty-one thousand, three hundred two".