143252609 has 8 divisors (see below), whose sum is σ = 151755840. Its totient is φ = 134845776.

The previous prime is 143252573. The next prime is 143252611. The reversal of 143252609 is 906252341.

It is a happy number.

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 143252609 - 2¹² = 143248513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143252639) 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 7 ways as a sum of consecutive naturals, for example, 21029 + ... + 26994.

It is an arithmetic number, because the mean of its divisors is an integer number (18969480).

Almost surely, 2^143252609 is an apocalyptic number.

143252609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

143252609 is a deficient number, since it is larger than the sum of its proper divisors (8503231).

143252609 is a wasteful number, since it uses less digits than its factorization.

143252609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48199.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 143252609 is about 11968.8181956282. The cubic root of 143252609 is about 523.2398913139.

The spelling of 143252609 in words is "one hundred forty-three million, two hundred fifty-two thousand, six hundred nine".