143530473409 has 8 divisors (see below), whose sum is σ = 144551026728. Its totient is φ = 142511266560.

The previous prime is 143530473407. The next prime is 143530473413. The reversal of 143530473409 is 904374035341.

It can be written as a sum of positive squares in 4 ways, for example, as 5841239184 + 137689234225 = 76428^2 + 371065^2 .

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 143530473409 - 2¹ = 143530473407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143530473407) 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, 122182 + ... + 549535.

It is an arithmetic number, because the mean of its divisors is an integer number (18068878341).

Almost surely, 2^143530473409 is an apocalyptic number.

It is an amenable number.

143530473409 is a deficient number, since it is larger than the sum of its proper divisors (1020553319).

143530473409 is a wasteful number, since it uses less digits than its factorization.

143530473409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673235.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 143530473409 in words is "one hundred forty-three billion, five hundred thirty million, four hundred seventy-three thousand, four hundred nine".