143412140 has 12 divisors (see below), whose sum is σ = 301165536. Its totient is φ = 57364848.

The previous prime is 143412109. The next prime is 143412149. The reversal of 143412140 is 41214341.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7170607 = 143412140 / (1 + 4 + 3 + 4 + 1 + 2 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (143412149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585284 + ... + 3585323.

It is an arithmetic number, because the mean of its divisors is an integer number (25097128).

Almost surely, 2^143412140 is an apocalyptic number.

143412140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143412140 is an abundant number, since it is smaller than the sum of its proper divisors (157753396).

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

143412140 is a wasteful number, since it uses less digits than its factorization.

143412140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170616 (or 7170614 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 143412140 is about 11975.4807836679. The cubic root of 143412140 is about 523.4340518641.

Adding to 143412140 its reverse (41214341), we get a palindrome (184626481).

The spelling of 143412140 in words is "one hundred forty-three million, four hundred twelve thousand, one hundred forty".