143442011 has 8 divisors (see below), whose sum is σ = 145457424. Its totient is φ = 141433600.

The previous prime is 143441989. The next prime is 143442017. The reversal of 143442011 is 110244341.

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 143442011 - 2¹⁰ = 143440987 is a prime.

It is a super-2 number, since 2×143442011² = 41151221039448242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143442017) 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 7 ways as a sum of consecutive naturals, for example, 49811 + ... + 52611.

It is an arithmetic number, because the mean of its divisors is an integer number (18182178).

Almost surely, 2^143442011 is an apocalyptic number.

143442011 is a deficient number, since it is larger than the sum of its proper divisors (2015413).

143442011 is an equidigital number, since it uses as much as digits as its factorization.

143442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

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

The square root of 143442011 is about 11976.7278920413. The cubic root of 143442011 is about 523.4703909847.

Adding to 143442011 its reverse (110244341), we get a palindrome (253686352).

The spelling of 143442011 in words is "one hundred forty-three million, four hundred forty-two thousand, eleven".