144473647 has 8 divisors (see below), whose sum is σ = 146091600. Its totient is φ = 142860864.

The previous prime is 144473617. The next prime is 144473653. The reversal of 144473647 is 746374441.

It is a happy number.

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 144473647 - 2⁷ = 144473519 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 (144473617) 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, 85729 + ... + 87397.

It is an arithmetic number, because the mean of its divisors is an integer number (18261450).

Almost surely, 2^144473647 is an apocalyptic number.

144473647 is a deficient number, since it is larger than the sum of its proper divisors (1617953).

144473647 is a wasteful number, since it uses less digits than its factorization.

144473647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its digits is 225792, while the sum is 40.

The square root of 144473647 is about 12019.7190898956. The cubic root of 144473647 is about 524.7223287520.

The spelling of 144473647 in words is "one hundred forty-four million, four hundred seventy-three thousand, six hundred forty-seven".