143103243449 has 8 divisors (see below), whose sum is σ = 144076432128. Its totient is φ = 142130390400.

The previous prime is 143103243421. The next prime is 143103243461. The reversal of 143103243449 is 944342301341.

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 143103243449 - 2¹⁶ = 143103177913 is a prime.

It is a super-2 number, since 2×143103243449² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143103243149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803504 + ... + 965310.

It is an arithmetic number, because the mean of its divisors is an integer number (18009554016).

Almost surely, 2^143103243449 is an apocalyptic number.

It is an amenable number.

143103243449 is a deficient number, since it is larger than the sum of its proper divisors (973188679).

143103243449 is a wasteful number, since it uses less digits than its factorization.

143103243449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167815.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 143103243449 in words is "one hundred forty-three billion, one hundred three million, two hundred forty-three thousand, four hundred forty-nine".