42375445 has 24 divisors (see below), whose sum is σ = 59471064. Its totient is φ = 28901376.

The previous prime is 42375439. The next prime is 42375449. The reversal of 42375445 is 54457324.

It can be written as a sum of positive squares in 4 ways, for example, as 12103441 + 30272004 = 3479^2 + 5502^2 .

It is not a de Polignac number, because 42375445 - 2⁵ = 42375413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42375445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42375449) 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, 62629 + ... + 63301.

It is an arithmetic number, because the mean of its divisors is an integer number (2477961).

Almost surely, 2^42375445 is an apocalyptic number.

It is an amenable number.

42375445 is a deficient number, since it is larger than the sum of its proper divisors (17095619).

42375445 is a wasteful number, since it uses less digits than its factorization.

42375445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 942 counting only the distinct ones).

The product of its digits is 67200, while the sum is 34.

The square root of 42375445 is about 6509.6424633001. The cubic root of 42375445 is about 348.6353528336.

The spelling of 42375445 in words is "forty-two million, three hundred seventy-five thousand, four hundred forty-five".