143434140 has 48 divisors (see below), whose sum is σ = 405609120. Its totient is φ = 37868800.

The previous prime is 143434139. The next prime is 143434147. The reversal of 143434140 is 41434341.

It is a self number, because there is not a number n which added to its sum of digits gives 143434140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143434147) 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 15 ways as a sum of consecutive naturals, for example, 5775 + ... + 17894.

It is an arithmetic number, because the mean of its divisors is an integer number (8450190).

Almost surely, 2^143434140 is an apocalyptic number.

143434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143434140 is an abundant number, since it is smaller than the sum of its proper divisors (262174980).

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

143434140 is a wasteful number, since it uses less digits than its factorization.

143434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23782 (or 23780 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 143434140 is about 11976.3992919408. The cubic root of 143434140 is about 523.4608161263.

Adding to 143434140 its reverse (41434341), we get a palindrome (184868481).

The spelling of 143434140 in words is "one hundred forty-three million, four hundred thirty-four thousand, one hundred forty".