143022224549 has 4 divisors (see below), whose sum is σ = 143432030700. Its totient is φ = 142612418400.

The previous prime is 143022224533. The next prime is 143022224551. The reversal of 143022224549 is 945422220341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 945422220341 = 68917 ⋅13718273.

It can be written as a sum of positive squares in 2 ways, for example, as 85618856449 + 57403368100 = 292607^2 + 239590^2 .

It is a cyclic number.

It is not a de Polignac number, because 143022224549 - 2⁴ = 143022224533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143022224509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204902552 + ... + 204903249.

It is an arithmetic number, because the mean of its divisors is an integer number (35858007675).

Almost surely, 2^143022224549 is an apocalyptic number.

It is an amenable number.

143022224549 is a deficient number, since it is larger than the sum of its proper divisors (409806151).

143022224549 is an equidigital number, since it uses as much as digits as its factorization.

143022224549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409806150.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 143022224549 in words is "one hundred forty-three billion, twenty-two million, two hundred twenty-four thousand, five hundred forty-nine".