143480009 has 4 divisors (see below), whose sum is σ = 143516100. Its totient is φ = 143443920.

The previous prime is 143479961. The next prime is 143480011. The reversal of 143480009 is 900084341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 104142025 = 6272^2 + 10205^2 .

It is a cyclic number.

It is not a de Polignac number, because 143480009 - 2¹⁶ = 143414473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143480089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11222 + ... + 20319.

It is an arithmetic number, because the mean of its divisors is an integer number (35879025).

Almost surely, 2^143480009 is an apocalyptic number.

It is an amenable number.

143480009 is a deficient number, since it is larger than the sum of its proper divisors (36091).

143480009 is an equidigital number, since it uses as much as digits as its factorization.

143480009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36090.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 143480009 is about 11978.3141134302. The cubic root of 143480009 is about 523.5166095963.

The spelling of 143480009 in words is "one hundred forty-three million, four hundred eighty thousand, nine".