1142849147357 has 4 divisors (see below), whose sum is σ = 1142851286556. Its totient is φ = 1142847008160.

The previous prime is 1142849147317. The next prime is 1142849147359. The reversal of 1142849147357 is 7537419482411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 493493605081 + 649355542276 = 702491^2 + 805826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142849147357 - 2⁸ = 1142849147101 is a prime.

It is a super-2 number, since 2×1142849147357² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142849147359) 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 3 ways as a sum of consecutive naturals, for example, 482993 + ... + 1587129.

It is an arithmetic number, because the mean of its divisors is an integer number (285712821639).

Almost surely, 2^{1142849147357} is an apocalyptic number.

It is an amenable number.

1142849147357 is a deficient number, since it is larger than the sum of its proper divisors (2139199).

1142849147357 is a wasteful number, since it uses less digits than its factorization.

1142849147357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139198.

The product of its digits is 6773760, while the sum is 56.

The spelling of 1142849147357 in words is "one trillion, one hundred forty-two billion, eight hundred forty-nine million, one hundred forty-seven thousand, three hundred fifty-seven".