143642513409 has 8 divisors (see below), whose sum is σ = 191593235712. Its totient is φ = 95726733360.

The previous prime is 143642513351. The next prime is 143642513411. The reversal of 143642513409 is 904315246341.

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

It is not a de Polignac number, because 143642513409 - 2¹⁶ = 143642447873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143642513429) 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, 8725969 + ... + 8742414.

It is an arithmetic number, because the mean of its divisors is an integer number (23949154464).

Almost surely, 2^143642513409 is an apocalyptic number.

It is an amenable number.

143642513409 is a deficient number, since it is larger than the sum of its proper divisors (47950722303).

143642513409 is a wasteful number, since it uses less digits than its factorization.

143642513409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471127.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 143642513409 in words is "one hundred forty-three billion, six hundred forty-two million, five hundred thirteen thousand, four hundred nine".