1245345103253 has 8 divisors (see below), whose sum is σ = 1319857723800. Its totient is φ = 1170972152320.

The previous prime is 1245345103199. The next prime is 1245345103307. The reversal of 1245345103253 is 3523015435421.

It is an interprime number because it is at equal distance from previous prime (1245345103199) and next prime (1245345103307).

It can be written as a sum of positive squares in 4 ways, for example, as 805985586289 + 439359516964 = 897767^2 + 662842^2 .

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 1245345103253 - 2¹⁰ = 1245345102229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245345100253) 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, 34899038 + ... + 34934703.

It is an arithmetic number, because the mean of its divisors is an integer number (164982215475).

Almost surely, 2^{1245345103253} is an apocalyptic number.

It is an amenable number.

1245345103253 is a deficient number, since it is larger than the sum of its proper divisors (74512620547).

1245345103253 is a wasteful number, since it uses less digits than its factorization.

1245345103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69834807.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1245345103253 in words is "one trillion, two hundred forty-five billion, three hundred forty-five million, one hundred three thousand, two hundred fifty-three".