42002532313145 has 8 divisors (see below), whose sum is σ = 50490392399304. Its totient is φ = 33543790101504.

The previous prime is 42002532313069. The next prime is 42002532313201. The reversal of 42002532313145 is 54131323520024.

It can be written as a sum of positive squares in 4 ways, for example, as 26289656494336 + 15712875818809 = 5127344^2 + 3963947^2 .

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 42002532313145 - 2⁸ = 42002532312889 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 7279465454 + ... + 7279471223.

It is an arithmetic number, because the mean of its divisors is an integer number (6311299049913).

Almost surely, 2^{42002532313145} is an apocalyptic number.

It is an amenable number.

42002532313145 is a deficient number, since it is larger than the sum of its proper divisors (8487860086159).

42002532313145 is a wasteful number, since it uses less digits than its factorization.

42002532313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14558937259.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 42002532313145 its reverse (54131323520024), we get a palindrome (96133855833169).

The spelling of 42002532313145 in words is "forty-two trillion, two billion, five hundred thirty-two million, three hundred thirteen thousand, one hundred forty-five".