144475647 has 8 divisors (see below), whose sum is σ = 193643520. Its totient is φ = 95812440.

The previous prime is 144475637. The next prime is 144475649. The reversal of 144475647 is 746574441.

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

It is not a de Polignac number, because 144475647 - 2¹⁰ = 144474623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144475599 and 144475608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144475649) 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, 125497 + ... + 126642.

It is an arithmetic number, because the mean of its divisors is an integer number (24205440).

Almost surely, 2^144475647 is an apocalyptic number.

144475647 is a deficient number, since it is larger than the sum of its proper divisors (49167873).

144475647 is a wasteful number, since it uses less digits than its factorization.

144475647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252333.

The product of its digits is 376320, while the sum is 42.

The square root of 144475647 is about 12019.8022862275. The cubic root of 144475647 is about 524.7247500467.

The spelling of 144475647 in words is "one hundred forty-four million, four hundred seventy-five thousand, six hundred forty-seven".