144564463 has 4 divisors (see below), whose sum is σ = 144776808. Its totient is φ = 144352120.

The previous prime is 144564451. The next prime is 144564473. The reversal of 144564463 is 364465441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364465441 = 41 ⋅8889401.

It is a cyclic number.

It is not a de Polignac number, because 144564463 - 2¹⁷ = 144433391 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 (144564473) 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, 105148 + ... + 106513.

It is an arithmetic number, because the mean of its divisors is an integer number (36194202).

Almost surely, 2^144564463 is an apocalyptic number.

144564463 is a deficient number, since it is larger than the sum of its proper divisors (212345).

144564463 is an equidigital number, since it uses as much as digits as its factorization.

144564463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212344.

The product of its digits is 138240, while the sum is 37.

The square root of 144564463 is about 12023.4962885177. The cubic root of 144564463 is about 524.8322523784.

The spelling of 144564463 in words is "one hundred forty-four million, five hundred sixty-four thousand, four hundred sixty-three".