144470609 has 4 divisors (see below), whose sum is σ = 145427520. Its totient is φ = 143513700.

The previous prime is 144470591. The next prime is 144470629. The reversal of 144470609 is 906074441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906074441 = 691 ⋅1311251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144470609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144470629) 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, 478229 + ... + 478530.

It is an arithmetic number, because the mean of its divisors is an integer number (36356880).

Almost surely, 2^144470609 is an apocalyptic number.

It is an amenable number.

144470609 is a deficient number, since it is larger than the sum of its proper divisors (956911).

144470609 is an equidigital number, since it uses as much as digits as its factorization.

144470609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956910.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 144470609 is about 12019.5927135656. The cubic root of 144470609 is about 524.7186507627.

It can be divided in two parts, 14 and 4470609, that multiplied together give a palindrome (62588526).

The spelling of 144470609 in words is "one hundred forty-four million, four hundred seventy thousand, six hundred nine".