42524542145 has 8 divisors (see below), whose sum is σ = 51180875304. Its totient is φ = 33918683904.

The previous prime is 42524542139. The next prime is 42524542157. The reversal of 42524542145 is 54124542524.

It can be written as a sum of positive squares in 4 ways, for example, as 419143729 + 42105398416 = 20473^2 + 205196^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42524542145 - 2¹⁴ = 42524525761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42524542099 and 42524542108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12616874 + ... + 12620243.

It is an arithmetic number, because the mean of its divisors is an integer number (6397609413).

Almost surely, 2^42524542145 is an apocalyptic number.

It is an amenable number.

42524542145 is a deficient number, since it is larger than the sum of its proper divisors (8656333159).

42524542145 is a wasteful number, since it uses less digits than its factorization.

42524542145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25237459.

The product of its digits is 256000, while the sum is 38.

The spelling of 42524542145 in words is "forty-two billion, five hundred twenty-four million, five hundred forty-two thousand, one hundred forty-five".