143140302 has 48 divisors (see below), whose sum is σ = 315900000. Its totient is φ = 46835712.

The previous prime is 143140301. The next prime is 143140321. The reversal of 143140302 is 203041341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143140301) 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 23 ways as a sum of consecutive naturals, for example, 318574 + ... + 319022.

It is an arithmetic number, because the mean of its divisors is an integer number (6581250).

Almost surely, 2^143140302 is an apocalyptic number.

143140302 is an abundant number, since it is smaller than the sum of its proper divisors (172759698).

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

143140302 is a wasteful number, since it uses less digits than its factorization.

143140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143140302 is about 11964.1256262211. The cubic root of 143140302 is about 523.1031192486.

Adding to 143140302 its reverse (203041341), we get a palindrome (346181643).

The spelling of 143140302 in words is "one hundred forty-three million, one hundred forty thousand, three hundred two".