144069409 has 8 divisors (see below), whose sum is σ = 157861728. Its totient is φ = 130392960.

The previous prime is 144069391. The next prime is 144069427. The reversal of 144069409 is 904960441.

It is an interprime number because it is at equal distance from previous prime (144069391) and next prime (144069427).

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 144069409 - 2⁷ = 144069281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144069109) 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, 26352 + ... + 31345.

It is an arithmetic number, because the mean of its divisors is an integer number (19732716).

Almost surely, 2^144069409 is an apocalyptic number.

It is an amenable number.

144069409 is a deficient number, since it is larger than the sum of its proper divisors (13792319).

144069409 is a wasteful number, since it uses less digits than its factorization.

144069409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57935.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 144069409 is about 12002.8916932546. The cubic root of 144069409 is about 524.2324796849.

The spelling of 144069409 in words is "one hundred forty-four million, sixty-nine thousand, four hundred nine".