144565655133 has 4 divisors (see below), whose sum is σ = 192754206848. Its totient is φ = 96377103420.

The previous prime is 144565655131. The next prime is 144565655209. The reversal of 144565655133 is 331556565441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331556565441 = 3 ⋅110518855147.

It is not a de Polignac number, because 144565655133 - 2¹ = 144565655131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144565655131) 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, 24094275853 + ... + 24094275858.

It is an arithmetic number, because the mean of its divisors is an integer number (48188551712).

Almost surely, 2^144565655133 is an apocalyptic number.

It is an amenable number.

144565655133 is a deficient number, since it is larger than the sum of its proper divisors (48188551715).

144565655133 is an equidigital number, since it uses as much as digits as its factorization.

144565655133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48188551714.

The product of its digits is 3240000, while the sum is 48.

The spelling of 144565655133 in words is "one hundred forty-four billion, five hundred sixty-five million, six hundred fifty-five thousand, one hundred thirty-three".