143420011 has 6 divisors (see below), whose sum is σ = 166835580. Its totient is φ = 122931396.

The previous prime is 143420003. The next prime is 143420023. The reversal of 143420011 is 110024341.

It is not a de Polignac number, because 143420011 - 2³ = 143420003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143420311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1463421 + ... + 1463518.

It is an arithmetic number, because the mean of its divisors is an integer number (27805930).

Almost surely, 2^143420011 is an apocalyptic number.

143420011 is a deficient number, since it is larger than the sum of its proper divisors (23415569).

143420011 is an equidigital number, since it uses as much as digits as its factorization.

143420011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926953 (or 2926946 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143420011 is about 11975.8094089711. The cubic root of 143420011 is about 523.4436277016.

Adding to 143420011 its reverse (110024341), we get a palindrome (253444352).

The spelling of 143420011 in words is "one hundred forty-three million, four hundred twenty thousand, eleven".