1145728758745 has 16 divisors (see below), whose sum is σ = 1400325865920. Its totient is φ = 899712120384.

The previous prime is 1145728758743. The next prime is 1145728758827. The reversal of 1145728758745 is 5478578275411.

It is a cyclic number.

It is not a de Polignac number, because 1145728758745 - 2¹ = 1145728758743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145728758743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5947750 + ... + 6137359.

It is an arithmetic number, because the mean of its divisors is an integer number (87520366620).

Almost surely, 2^{1145728758745} is an apocalyptic number.

It is an amenable number.

1145728758745 is a deficient number, since it is larger than the sum of its proper divisors (254597107175).

1145728758745 is a wasteful number, since it uses less digits than its factorization.

1145728758745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085464.

The product of its digits is 87808000, while the sum is 64.

The spelling of 1145728758745 in words is "one trillion, one hundred forty-five billion, seven hundred twenty-eight million, seven hundred fifty-eight thousand, seven hundred forty-five".