283143740957 has 36 divisors (see below), whose sum is σ = 363180692700. Its totient is φ = 219934028160.

The previous prime is 283143740947. The next prime is 283143740987. The reversal of 283143740957 is 759047341382.

It can be written as a sum of positive squares in 2 ways, for example, as 79335735556 + 203808005401 = 281666^2 + 451451^2 .

It is not a de Polignac number, because 283143740957 - 2⁸ = 283143740701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 283143740899 and 283143740908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283143740947) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1804169 + ... + 1954817.

It is an arithmetic number, because the mean of its divisors is an integer number (10088352575).

Almost surely, 2^283143740957 is an apocalyptic number.

It is an amenable number.

283143740957 is a deficient number, since it is larger than the sum of its proper divisors (80036951743).

283143740957 is a wasteful number, since it uses less digits than its factorization.

283143740957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151002 (or 150984 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 283143740957 in words is "two hundred eighty-three billion, one hundred forty-three million, seven hundred forty thousand, nine hundred fifty-seven".