445342 has 8 divisors (see below), whose sum is σ = 684432. Its totient is φ = 217200.

The previous prime is 445339. The next prime is 445363. The reversal of 445342 is 243544.

It is a happy number.

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

It is a nialpdrome in base 14.

It is a congruent number.

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, 2634 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (85554).

2⁴⁴⁵³⁴² is an apocalyptic number.

445342 is a deficient number, since it is larger than the sum of its proper divisors (239090).

445342 is a wasteful number, since it uses less digits than its factorization.

445342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

The product of its digits is 1920, while the sum is 22.

The square root of 445342 is about 667.3394938111. The cubic root of 445342 is about 76.3656205250.

Adding to 445342 its reverse (243544), we get a palindrome (688886).

It can be divided in two parts, 445 and 342, that added together give a palindrome (787).

The spelling of 445342 in words is "four hundred forty-five thousand, three hundred forty-two".