445542 has 8 divisors (see below), whose sum is σ = 891096. Its totient is φ = 148512.

The previous prime is 445541. The next prime is 445567. The reversal of 445542 is 245544.

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

445542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37123 + ... + 37134.

It is an arithmetic number, because the mean of its divisors is an integer number (111387).

2⁴⁴⁵⁵⁴² is an apocalyptic number.

445542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445542 is a wasteful number, since it uses less digits than its factorization.

445542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74262.

The product of its digits is 3200, while the sum is 24.

The square root of 445542 is about 667.4893257573. The cubic root of 445542 is about 76.3770505707.

The spelling of 445542 in words is "four hundred forty-five thousand, five hundred forty-two".