143001441 has 12 divisors (see below), whose sum is σ = 225335760. Its totient is φ = 86667480.

The previous prime is 143001431. The next prime is 143001461. The reversal of 143001441 is 144100341.

It is not a de Polignac number, because 143001441 - 2²¹ = 140904289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143001431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722131 + ... + 722328.

It is an arithmetic number, because the mean of its divisors is an integer number (18777980).

Almost surely, 2^143001441 is an apocalyptic number.

143001441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143001441 is a deficient number, since it is larger than the sum of its proper divisors (82334319).

143001441 is a wasteful number, since it uses less digits than its factorization.

143001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444476 (or 1444473 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143001441 is about 11958.3209941864. The cubic root of 143001441 is about 522.9339096854.

Adding to 143001441 its reverse (144100341), we get a palindrome (287101782).

The spelling of 143001441 in words is "one hundred forty-three million, one thousand, four hundred forty-one".