143454342 has 16 divisors (see below), whose sum is σ = 287208432. Its totient is φ = 47768160.

The previous prime is 143454341. The next prime is 143454343. The reversal of 143454342 is 243454341.

It is an interprime number because it is at equal distance from previous prime (143454341) and next prime (143454343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143454341) 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, 6009 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (17950527).

Almost surely, 2^143454342 is an apocalyptic number.

143454342 is an abundant number, since it is smaller than the sum of its proper divisors (143754090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143454342 is a wasteful number, since it uses less digits than its factorization.

143454342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24983.

The product of its digits is 23040, while the sum is 30.

The square root of 143454342 is about 11977.2426709990. The cubic root of 143454342 is about 523.4853906081.

Subtracting 143454342 from its reverse (243454341), we obtain a palindrome (99999999).

The spelling of 143454342 in words is "one hundred forty-three million, four hundred fifty-four thousand, three hundred forty-two".