144386854 has 4 divisors (see below), whose sum is σ = 216580284. Its totient is φ = 72193426.

The previous prime is 144386849. The next prime is 144386861. The reversal of 144386854 is 458683441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458683441 = 41 ⋅11187401.

It is a self number, because there is not a number n which added to its sum of digits gives 144386854.

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 as a sum of consecutive naturals, namely, 36096712 + ... + 36096715.

It is an arithmetic number, because the mean of its divisors is an integer number (54145071).

Almost surely, 2^144386854 is an apocalyptic number.

144386854 is a deficient number, since it is larger than the sum of its proper divisors (72193430).

144386854 is an equidigital number, since it uses as much as digits as its factorization.

144386854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72193429.

The product of its digits is 368640, while the sum is 43.

The square root of 144386854 is about 12016.1081053726. The cubic root of 144386854 is about 524.6172315043.

The spelling of 144386854 in words is "one hundred forty-four million, three hundred eighty-six thousand, eight hundred fifty-four".