144544136260454 has 64 divisors (see below), whose sum is σ = 263857457664000. Its totient is φ = 59250248586144.

The previous prime is 144544136260451. The next prime is 144544136260571. The reversal of 144544136260454 is 454062631445441.

It is a super-2 number, since 2×144544136260454² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144544136260396 and 144544136260405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144544136260451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247849352 + ... + 248431860.

It is an arithmetic number, because the mean of its divisors is an integer number (4122772776000).

Almost surely, 2^{144544136260454} is an apocalyptic number.

144544136260454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144544136260454 is a deficient number, since it is larger than the sum of its proper divisors (119313321403546).

144544136260454 is a wasteful number, since it uses less digits than its factorization.

144544136260454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598282 (or 598268 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 53.

The spelling of 144544136260454 in words is "one hundred forty-four trillion, five hundred forty-four billion, one hundred thirty-six million, two hundred sixty thousand, four hundred fifty-four".