144369463 has 4 divisors (see below), whose sum is σ = 164993680. Its totient is φ = 123745248.

The previous prime is 144369349. The next prime is 144369473. The reversal of 144369463 is 364963441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364963441 = 2677 ⋅136333.

It is a cyclic number.

It is not a de Polignac number, because 144369463 - 2⁹ = 144368951 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 (144369473) 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, 10312098 + ... + 10312111.

It is an arithmetic number, because the mean of its divisors is an integer number (41248420).

Almost surely, 2^144369463 is an apocalyptic number.

144369463 is a deficient number, since it is larger than the sum of its proper divisors (20624217).

144369463 is an equidigital number, since it uses as much as digits as its factorization.

144369463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20624216.

The product of its digits is 186624, while the sum is 40.

The square root of 144369463 is about 12015.3844299714. The cubic root of 144369463 is about 524.5961677570.

The spelling of 144369463 in words is "one hundred forty-four million, three hundred sixty-nine thousand, four hundred sixty-three".