144613854 has 96 divisors (see below), whose sum is σ = 394827264. Its totient is φ = 37160640.

The previous prime is 144613837. The next prime is 144613867. The reversal of 144613854 is 458316441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142252 + ... + 143264.

It is an arithmetic number, because the mean of its divisors is an integer number (4112784).

Almost surely, 2^144613854 is an apocalyptic number.

144613854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144613854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197413632).

144613854 is an abundant number, since it is smaller than the sum of its proper divisors (250213410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144613854 is a wasteful number, since it uses less digits than its factorization.

144613854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1139 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 144613854 is about 12025.5500497898. The cubic root of 144613854 is about 524.8920158862.

The spelling of 144613854 in words is "one hundred forty-four million, six hundred thirteen thousand, eight hundred fifty-four".