42445002 has 8 divisors (see below), whose sum is σ = 84890016. Its totient is φ = 14148332.

The previous prime is 42444989. The next prime is 42445003. The reversal of 42445002 is 20054424.

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

42445002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42445002.

It is not an unprimeable number, because it can be changed into a prime (42445003) 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, 3537078 + ... + 3537089.

It is an arithmetic number, because the mean of its divisors is an integer number (10611252).

Almost surely, 2^42445002 is an apocalyptic number.

42445002 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.

42445002 is a wasteful number, since it uses less digits than its factorization.

42445002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074172.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42445002 is about 6514.9828856260. The cubic root of 42445002 is about 348.8260039127.

Adding to 42445002 its reverse (20054424), we get a palindrome (62499426).

The spelling of 42445002 in words is "forty-two million, four hundred forty-five thousand, two".