143012441 has 12 divisors (see below), whose sum is σ = 169289316. Its totient is φ = 120009120.

The previous prime is 143012431. The next prime is 143012473. The reversal of 143012441 is 144210341.

It can be written as a sum of positive squares in 2 ways, for example, as 58446025 + 84566416 = 7645^2 + 9196^2 .

It is not a de Polignac number, because 143012441 - 2¹⁰ = 143011417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143012431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43886 + ... + 47031.

It is an arithmetic number, because the mean of its divisors is an integer number (14107443).

Almost surely, 2^143012441 is an apocalyptic number.

143012441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143012441 is a deficient number, since it is larger than the sum of its proper divisors (26276875).

143012441 is a wasteful number, since it uses less digits than its factorization.

143012441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90952 (or 90941 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 143012441 is about 11958.7809161302. The cubic root of 143012441 is about 522.9473177683.

Adding to 143012441 its reverse (144210341), we get a palindrome (287222782).

The spelling of 143012441 in words is "one hundred forty-three million, twelve thousand, four hundred forty-one".