1245814345147 has 4 divisors (see below), whose sum is σ = 1257457469976. Its totient is φ = 1234171220320.

The previous prime is 1245814345091. The next prime is 1245814345157. The reversal of 1245814345147 is 7415434185421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1245814345147 - 2¹¹ = 1245814343099 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 1245814345147.

It is not an unprimeable number, because it can be changed into a prime (1245814345157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5821562254 + ... + 5821562467.

It is an arithmetic number, because the mean of its divisors is an integer number (314364367494).

Almost surely, 2^{1245814345147} is an apocalyptic number.

1245814345147 is a deficient number, since it is larger than the sum of its proper divisors (11643124829).

1245814345147 is a wasteful number, since it uses less digits than its factorization.

1245814345147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643124828.

The product of its digits is 2150400, while the sum is 49.

The spelling of 1245814345147 in words is "one trillion, two hundred forty-five billion, eight hundred fourteen million, three hundred forty-five thousand, one hundred forty-seven".