445402 has 8 divisors (see below), whose sum is σ = 676800. Its totient is φ = 219804.

The previous prime is 445363. The next prime is 445427. The reversal of 445402 is 204544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 445402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (84600).

2⁴⁴⁵⁴⁰² is an apocalyptic number.

445402 is a deficient number, since it is larger than the sum of its proper divisors (231398).

445402 is a wasteful number, since it uses less digits than its factorization.

445402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 445402 is about 667.3844469270. The cubic root of 445402 is about 76.3690498979.

Adding to 445402 its reverse (204544), we get a palindrome (649946).

The spelling of 445402 in words is "four hundred forty-five thousand, four hundred two".