143112244021 has 8 divisors (see below), whose sum is σ = 145486498784. Its totient is φ = 140738897520.

The previous prime is 143112243979. The next prime is 143112244073. The reversal of 143112244021 is 120442211341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143112244021 - 2⁷ = 143112243893 is a prime.

It is a super-2 number, since 2×143112244021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143112244421) 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 in 7 ways as a sum of consecutive naturals, for example, 94426 + ... + 543268.

It is an arithmetic number, because the mean of its divisors is an integer number (18185812348).

Almost surely, 2^143112244021 is an apocalyptic number.

It is an amenable number.

143112244021 is a deficient number, since it is larger than the sum of its proper divisors (2374254763).

143112244021 is an equidigital number, since it uses as much as digits as its factorization.

143112244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454131.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 143112244021 its reverse (120442211341), we get a palindrome (263554455362).

The spelling of 143112244021 in words is "one hundred forty-three billion, one hundred twelve million, two hundred forty-four thousand, twenty-one".