143573220457 has 2 divisors, whose sum is σ = 143573220458. Its totient is φ = 143573220456.

The previous prime is 143573220409. The next prime is 143573220463. The reversal of 143573220457 is 754022375341.

143573220457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136453404816 + 7119815641 = 369396^2 + 84379^2 .

It is a cyclic number.

It is not a de Polignac number, because 143573220457 - 2¹¹ = 143573218409 is a prime.

It is a super-2 number, since 2×143573220457² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143573220157) 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 as a sum of consecutive naturals, namely, 71786610228 + 71786610229.

It is an arithmetic number, because the mean of its divisors is an integer number (71786610229).

Almost surely, 2^143573220457 is an apocalyptic number.

It is an amenable number.

143573220457 is a deficient number, since it is larger than the sum of its proper divisors (1).

143573220457 is an equidigital number, since it uses as much as digits as its factorization.

143573220457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 43.

Adding to 143573220457 its reverse (754022375341), we get a palindrome (897595595798).

The spelling of 143573220457 in words is "one hundred forty-three billion, five hundred seventy-three million, two hundred twenty thousand, four hundred fifty-seven".