144554554 has 8 divisors (see below), whose sum is σ = 216917748. Its totient is φ = 72248640.

The previous prime is 144554551. The next prime is 144554633. The reversal of 144554554 is 455455441.

It can be written as a sum of positive squares in 2 ways, for example, as 144552529 + 2025 = 12023^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144554551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7327 + ... + 18514.

Almost surely, 2^144554554 is an apocalyptic number.

144554554 is a deficient number, since it is larger than the sum of its proper divisors (72363194).

144554554 is a wasteful number, since it uses less digits than its factorization.

144554554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28640.

The product of its digits is 160000, while the sum is 37.

The square root of 144554554 is about 12023.0842132957. The cubic root of 144554554 is about 524.8202607692.

The spelling of 144554554 in words is "one hundred forty-four million, five hundred fifty-four thousand, five hundred fifty-four".