1142749655243 has 16 divisors (see below), whose sum is σ = 1380739680000. Its totient is φ = 923894893152.

The previous prime is 1142749655207. The next prime is 1142749655249. The reversal of 1142749655243 is 3425569472411.

It is not a de Polignac number, because 1142749655243 - 2¹⁰ = 1142749654219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142749655249) 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, 18729593 + ... + 18790506.

It is an arithmetic number, because the mean of its divisors is an integer number (86296230000).

Almost surely, 2^{1142749655243} is an apocalyptic number.

1142749655243 is a deficient number, since it is larger than the sum of its proper divisors (237990024757).

1142749655243 is a wasteful number, since it uses less digits than its factorization.

1142749655243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37520354.

The product of its digits is 7257600, while the sum is 53.

The spelling of 1142749655243 in words is "one trillion, one hundred forty-two billion, seven hundred forty-nine million, six hundred fifty-five thousand, two hundred forty-three".