1245353144005 has 8 divisors (see below), whose sum is σ = 1494570792600. Its totient is φ = 996184502016.

The previous prime is 1245353144003. The next prime is 1245353144011. The reversal of 1245353144005 is 5004413535421.

It can be written as a sum of positive squares in 4 ways, for example, as 610282814436 + 635070329569 = 781206^2 + 796913^2 .

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 1245353144005 - 2¹ = 1245353144003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245353144003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195720 + ... + 12297409.

It is an arithmetic number, because the mean of its divisors is an integer number (186821349075).

Almost surely, 2^{1245353144005} is an apocalyptic number.

It is an amenable number.

1245353144005 is a deficient number, since it is larger than the sum of its proper divisors (249217648595).

1245353144005 is a wasteful number, since it uses less digits than its factorization.

1245353144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24503303.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 1245353144005 its reverse (5004413535421), we get a palindrome (6249766679426).

The spelling of 1245353144005 in words is "one trillion, two hundred forty-five billion, three hundred fifty-three million, one hundred forty-four thousand, five".