143140005 has 24 divisors (see below), whose sum is σ = 249094872. Its totient is φ = 76038144.

The previous prime is 143139973. The next prime is 143140009. The reversal of 143140005 is 500041341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25070049 + 118069956 = 5007^2 + 10866^2 .

It is not a de Polignac number, because 143140005 - 2⁵ = 143139973 is a prime.

It is a super-2 number, since 2×143140005² = 40978122062800050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143140005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143140009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5377 + ... + 17753.

It is an arithmetic number, because the mean of its divisors is an integer number (10378953).

Almost surely, 2^143140005 is an apocalyptic number.

143140005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143140005 is a deficient number, since it is larger than the sum of its proper divisors (105954867).

143140005 is a wasteful number, since it uses less digits than its factorization.

143140005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645 (or 12642 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 143140005 is about 11964.1132141083. The cubic root of 143140005 is about 523.1027574550.

Adding to 143140005 its reverse (500041341), we get a palindrome (643181346).

The spelling of 143140005 in words is "one hundred forty-three million, one hundred forty thousand, five".