144252647 has 8 divisors (see below), whose sum is σ = 179847552. Its totient is φ = 112404600.

The previous prime is 144252631. The next prime is 144252649. The reversal of 144252647 is 746252441.

It is a happy number.

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

It is not a de Polignac number, because 144252647 - 2⁴ = 144252631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144252649) 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, 936629 + ... + 936782.

It is an arithmetic number, because the mean of its divisors is an integer number (22480944).

Almost surely, 2^144252647 is an apocalyptic number.

144252647 is a deficient number, since it is larger than the sum of its proper divisors (35594905).

144252647 is a wasteful number, since it uses less digits than its factorization.

144252647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873429.

The product of its digits is 53760, while the sum is 35.

The square root of 144252647 is about 12010.5223450106. The cubic root of 144252647 is about 524.4546379151.

The spelling of 144252647 in words is "one hundred forty-four million, two hundred fifty-two thousand, six hundred forty-seven".