445422342 has 8 divisors (see below), whose sum is σ = 890844696. Its totient is φ = 148474112.

The previous prime is 445422331. The next prime is 445422359. The reversal of 445422342 is 243224544.

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

445422342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37118523 + ... + 37118534.

It is an arithmetic number, because the mean of its divisors is an integer number (111355587).

Almost surely, 2^445422342 is an apocalyptic number.

445422342 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.

445422342 is a wasteful number, since it uses less digits than its factorization.

445422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74237062.

The product of its digits is 30720, while the sum is 30.

The square root of 445422342 is about 21105.0312011141. The cubic root of 445422342 is about 763.7021249979.

Adding to 445422342 its reverse (243224544), we get a palindrome (688646886).

It can be divided in two parts, 4454 and 22342, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 445422342 in words is "four hundred forty-five million, four hundred twenty-two thousand, three hundred forty-two".