143564213746 has 4 divisors (see below), whose sum is σ = 215346320622. Its totient is φ = 71782106872.

The previous prime is 143564213743. The next prime is 143564213747. The reversal of 143564213746 is 647312465341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 130818932721 + 12745281025 = 361689^2 + 112895^2 .

It is a super-2 number, since 2×143564213746² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143564213696 and 143564213705.

It is not an unprimeable number, because it can be changed into a prime (143564213743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35891053435 + ... + 35891053438.

Almost surely, 2^143564213746 is an apocalyptic number.

143564213746 is a deficient number, since it is larger than the sum of its proper divisors (71782106876).

143564213746 is an equidigital number, since it uses as much as digits as its factorization.

143564213746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71782106875.

The product of its digits is 1451520, while the sum is 46.

The spelling of 143564213746 in words is "one hundred forty-three billion, five hundred sixty-four million, two hundred thirteen thousand, seven hundred forty-six".