143420043 has 32 divisors (see below), whose sum is σ = 213821440. Its totient is φ = 84913920.

The previous prime is 143420027. The next prime is 143420047. The reversal of 143420043 is 340024341.

It is not a de Polignac number, because 143420043 - 2⁴ = 143420027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143420047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378228 + ... + 378606.

It is an arithmetic number, because the mean of its divisors is an integer number (6681920).

Almost surely, 2^143420043 is an apocalyptic number.

143420043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143420043 is a deficient number, since it is larger than the sum of its proper divisors (70401397).

143420043 is a wasteful number, since it uses less digits than its factorization.

143420043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143420043 is about 11975.8107449976. The cubic root of 143420043 is about 523.4436666320.

Adding to 143420043 its reverse (340024341), we get a palindrome (483444384).

The spelling of 143420043 in words is "one hundred forty-three million, four hundred twenty thousand, forty-three".