144600500465 has 4 divisors (see below), whose sum is σ = 173520600564. Its totient is φ = 115680400368.

The previous prime is 144600500461. The next prime is 144600500489. The reversal of 144600500465 is 564005006441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84342033889 + 60258466576 = 290417^2 + 245476^2 .

It is a cyclic number.

It is not a de Polignac number, because 144600500465 - 2² = 144600500461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144600500461) 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, 14460050042 + ... + 14460050051.

It is an arithmetic number, because the mean of its divisors is an integer number (43380150141).

Almost surely, 2^144600500465 is an apocalyptic number.

It is an amenable number.

144600500465 is a deficient number, since it is larger than the sum of its proper divisors (28920100099).

144600500465 is an equidigital number, since it uses as much as digits as its factorization.

144600500465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28920100098.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 144600500465 in words is "one hundred forty-four billion, six hundred million, five hundred thousand, four hundred sixty-five".