144534554 has 4 divisors (see below), whose sum is σ = 216801834. Its totient is φ = 72267276.

The previous prime is 144534547. The next prime is 144534569. The reversal of 144534554 is 455435441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105534529 + 39000025 = 10273^2 + 6245^2 .

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, 36133637 + ... + 36133640.

Almost surely, 2^144534554 is an apocalyptic number.

144534554 is a deficient number, since it is larger than the sum of its proper divisors (72267280).

144534554 is an equidigital number, since it uses as much as digits as its factorization.

144534554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72267279.

The product of its digits is 96000, while the sum is 35.

The square root of 144534554 is about 12022.2524511840. The cubic root of 144534554 is about 524.7960556300.

Adding to 144534554 its reverse (455435441), we get a palindrome (599969995).

The spelling of 144534554 in words is "one hundred forty-four million, five hundred thirty-four thousand, five hundred fifty-four".