143630316253444 has 6 divisors (see below), whose sum is σ = 251353053443534. Its totient is φ = 71815158126720.

The previous prime is 143630316253441. The next prime is 143630316253499. The reversal of 143630316253444 is 444352613036341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 141900270596100 + 1730045657344 = 11912190^2 + 1315312^2 .

It is a super-2 number, since 2×143630316253444² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143630316253441) 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, 17953789531677 + ... + 17953789531684.

Almost surely, 2^{143630316253444} is an apocalyptic number.

It is an amenable number.

143630316253444 is a deficient number, since it is larger than the sum of its proper divisors (107722737190090).

143630316253444 is a wasteful number, since it uses less digits than its factorization.

143630316253444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35907579063365 (or 35907579063363 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

Adding to 143630316253444 its reverse (444352613036341), we get a palindrome (587982929289785).

The spelling of 143630316253444 in words is "one hundred forty-three trillion, six hundred thirty billion, three hundred sixteen million, two hundred fifty-three thousand, four hundred forty-four".