144231103512455 has 4 divisors (see below), whose sum is σ = 173077324214952. Its totient is φ = 115384882809960.

The previous prime is 144231103512427. The next prime is 144231103512479. The reversal of 144231103512455 is 554215301132441.

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

It is not a de Polignac number, because 144231103512455 - 2⁴⁶ = 73862359334791 is a prime.

It is a super-2 number, since 2×144231103512455² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423110351241 + ... + 14423110351250.

It is an arithmetic number, because the mean of its divisors is an integer number (43269331053738).

Almost surely, 2^{144231103512455} is an apocalyptic number.

144231103512455 is a deficient number, since it is larger than the sum of its proper divisors (28846220702497).

144231103512455 is an equidigital number, since it uses as much as digits as its factorization.

144231103512455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846220702496.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 144231103512455 its reverse (554215301132441), we get a palindrome (698446404644896).

The spelling of 144231103512455 in words is "one hundred forty-four trillion, two hundred thirty-one billion, one hundred three million, five hundred twelve thousand, four hundred fifty-five".