1145664742758 has 16 divisors (see below), whose sum is σ = 2297472464496. Its totient is φ = 380864417760.

The previous prime is 1145664742661. The next prime is 1145664742813. The reversal of 1145664742758 is 8572474665411.

It is a happy number.

It is a congruent 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, 255955033 + ... + 255959508.

It is an arithmetic number, because the mean of its divisors is an integer number (143592029031).

Almost surely, 2^{1145664742758} is an apocalyptic number.

1145664742758 is an abundant number, since it is smaller than the sum of its proper divisors (1151807721738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145664742758 is a wasteful number, since it uses less digits than its factorization.

1145664742758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511914919.

The product of its digits is 45158400, while the sum is 60.

The spelling of 1145664742758 in words is "one trillion, one hundred forty-five billion, six hundred sixty-four million, seven hundred forty-two thousand, seven hundred fifty-eight".