143242147 has 8 divisors (see below), whose sum is σ = 147430080. Its totient is φ = 139113000.

The previous prime is 143242123. The next prime is 143242163. The reversal of 143242147 is 741242341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143242147 - 2¹¹ = 143240099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143249147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9729 + ... + 19522.

It is an arithmetic number, because the mean of its divisors is an integer number (18428760).

Almost surely, 2^143242147 is an apocalyptic number.

143242147 is a deficient number, since it is larger than the sum of its proper divisors (4187933).

143242147 is an equidigital number, since it uses as much as digits as its factorization.

143242147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29393.

The product of its digits is 5376, while the sum is 28.

The square root of 143242147 is about 11968.3811353081. The cubic root of 143242147 is about 523.2271532818.

Adding to 143242147 its reverse (741242341), we get a palindrome (884484488).

It can be divided in two parts, 14324 and 2147, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 143242147 in words is "one hundred forty-three million, two hundred forty-two thousand, one hundred forty-seven".