143820130 has 16 divisors (see below), whose sum is σ = 259169400. Its totient is φ = 57462912.

The previous prime is 143820121. The next prime is 143820133. The reversal of 143820130 is 31028341.

It can be written as a sum of positive squares in 4 ways, for example, as 66080641 + 77739489 = 8129^2 + 8817^2 .

It is not an unprimeable number, because it can be changed into a prime (143820133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 17044.

Almost surely, 2^143820130 is an apocalyptic number.

143820130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143820130 is a deficient number, since it is larger than the sum of its proper divisors (115349270).

143820130 is a wasteful number, since it uses less digits than its factorization.

143820130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16293.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 143820130 is about 11992.5030748380. The cubic root of 143820130 is about 523.9299505257.

Adding to 143820130 its reverse (31028341), we get a palindrome (174848471).

The spelling of 143820130 in words is "one hundred forty-three million, eight hundred twenty thousand, one hundred thirty".