445542342 has 32 divisors (see below), whose sum is σ = 1019043072. Its totient is φ = 127215264.

The previous prime is 445542311. The next prime is 445542347. The reversal of 445542342 is 243245544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445542347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95713 + ... + 100259.

It is an arithmetic number, because the mean of its divisors is an integer number (31845096).

Almost surely, 2^445542342 is an apocalyptic number.

445542342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

445542342 is an abundant number, since it is smaller than the sum of its proper divisors (573500730).

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

445542342 is a wasteful number, since it uses less digits than its factorization.

445542342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892.

The product of its digits is 76800, while the sum is 33.

The square root of 445542342 is about 21107.8739336770. The cubic root of 445542342 is about 763.7707011317.

Adding to 445542342 its reverse (243245544), we get a palindrome (688787886).

The spelling of 445542342 in words is "four hundred forty-five million, five hundred forty-two thousand, three hundred forty-two".