144356454 has 24 divisors (see below), whose sum is σ = 341206632. Its totient is φ = 43744320.

The previous prime is 144356437. The next prime is 144356479. The reversal of 144356454 is 454653441.

144356454 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 5 + 645 + 4 = 666.

It is a super-2 number, since 2×144356454² = 41677571622908232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364339 + ... + 364734.

It is an arithmetic number, because the mean of its divisors is an integer number (14216943).

Almost surely, 2^144356454 is an apocalyptic number.

144356454 is an abundant number, since it is smaller than the sum of its proper divisors (196850178).

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

144356454 is a wasteful number, since it uses less digits than its factorization.

144356454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729092 (or 729089 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 144356454 is about 12014.8430701362. The cubic root of 144356454 is about 524.5804103238.

The spelling of 144356454 in words is "one hundred forty-four million, three hundred fifty-six thousand, four hundred fifty-four".