143975141957 has 2 divisors, whose sum is σ = 143975141958. Its totient is φ = 143975141956.

The previous prime is 143975141951. The next prime is 143975141993. The reversal of 143975141957 is 759141579341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143391726241 + 583415716 = 378671^2 + 24154^2 .

It is a cyclic number.

It is not a de Polignac number, because 143975141957 - 2¹² = 143975137861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143975141951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71987570978 + 71987570979.

It is an arithmetic number, because the mean of its divisors is an integer number (71987570979).

Almost surely, 2^143975141957 is an apocalyptic number.

It is an amenable number.

143975141957 is a deficient number, since it is larger than the sum of its proper divisors (1).

143975141957 is an equidigital number, since it uses as much as digits as its factorization.

143975141957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 56.

The spelling of 143975141957 in words is "one hundred forty-three billion, nine hundred seventy-five million, one hundred forty-one thousand, nine hundred fifty-seven".