42245064 has 96 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 13608000.

The previous prime is 42245059. The next prime is 42245069. The reversal of 42245064 is 46054224.

It is an interprime number because it is at equal distance from previous prime (42245059) and next prime (42245069).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42245069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59914 + ... + 60614.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^42245064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42245064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61326720).

42245064 is an abundant number, since it is smaller than the sum of its proper divisors (80408376).

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

42245064 is a wasteful number, since it uses less digits than its factorization.

42245064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 42245064 is about 6499.6202966019. The cubic root of 42245064 is about 348.2774244393.

Adding to 42245064 its reverse (46054224), we get a palindrome (88299288).

The spelling of 42245064 in words is "forty-two million, two hundred forty-five thousand, sixty-four".