144351055501 has 4 divisors (see below), whose sum is σ = 144428126812. Its totient is φ = 144273984192.

The previous prime is 144351055493. The next prime is 144351055531. The reversal of 144351055501 is 105550153441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105550153441 = 2957 ⋅35695013.

It can be written as a sum of positive squares in 2 ways, for example, as 73102099876 + 71248955625 = 270374^2 + 266925^2 .

It is a cyclic number.

It is not a de Polignac number, because 144351055501 - 2³ = 144351055493 is a prime.

It is a super-2 number, since 2×144351055501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144351055531) 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, 38532846 + ... + 38536591.

It is an arithmetic number, because the mean of its divisors is an integer number (36107031703).

Almost surely, 2^144351055501 is an apocalyptic number.

It is an amenable number.

144351055501 is a deficient number, since it is larger than the sum of its proper divisors (77071311).

144351055501 is an equidigital number, since it uses as much as digits as its factorization.

144351055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77071310.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 144351055501 in words is "one hundred forty-four billion, three hundred fifty-one million, fifty-five thousand, five hundred one".