143022193469 has 2 divisors, whose sum is σ = 143022193470. Its totient is φ = 143022193468.

The previous prime is 143022193441. The next prime is 143022193481. The reversal of 143022193469 is 964391220341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126584389369 + 16437804100 = 355787^2 + 128210^2 .

It is an emirp because it is prime and its reverse (964391220341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143022193469 is a prime.

It is a super-2 number, since 2×143022193469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143022195469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71511096734 + 71511096735.

It is an arithmetic number, because the mean of its divisors is an integer number (71511096735).

Almost surely, 2^143022193469 is an apocalyptic number.

It is an amenable number.

143022193469 is a deficient number, since it is larger than the sum of its proper divisors (1).

143022193469 is an equidigital number, since it uses as much as digits as its factorization.

143022193469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 143022193469 in words is "one hundred forty-three billion, twenty-two million, one hundred ninety-three thousand, four hundred sixty-nine".