144463973 has 4 divisors (see below), whose sum is σ = 152067360. Its totient is φ = 136860588.

The previous prime is 144463967. The next prime is 144463997. The reversal of 144463973 is 379364441.

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.

It is a cyclic number.

It is not a de Polignac number, because 144463973 - 2¹⁶ = 144398437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144463973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144463073) 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, 3801665 + ... + 3801702.

It is an arithmetic number, because the mean of its divisors is an integer number (38016840).

Almost surely, 2^144463973 is an apocalyptic number.

It is an amenable number.

144463973 is a deficient number, since it is larger than the sum of its proper divisors (7603387).

144463973 is an equidigital number, since it uses as much as digits as its factorization.

144463973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603386.

The product of its digits is 217728, while the sum is 41.

The square root of 144463973 is about 12019.3166611085. The cubic root of 144463973 is about 524.7106166342.

The spelling of 144463973 in words is "one hundred forty-four million, four hundred sixty-three thousand, nine hundred seventy-three".