144798623 has 4 divisors (see below), whose sum is σ = 145904088. Its totient is φ = 143693160.

The previous prime is 144798617. The next prime is 144798629. The reversal of 144798623 is 326897441.

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

It is an interprime number because it is at equal distance from previous prime (144798617) and next prime (144798629).

It is a cyclic number.

It is not a de Polignac number, because 144798623 - 2¹⁸ = 144536479 is a prime.

It is a super-3 number, since 3×144798623³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144798629) 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, 552536 + ... + 552797.

It is an arithmetic number, because the mean of its divisors is an integer number (36476022).

Almost surely, 2^144798623 is an apocalyptic number.

144798623 is a deficient number, since it is larger than the sum of its proper divisors (1105465).

144798623 is a wasteful number, since it uses less digits than its factorization.

144798623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105464.

The product of its digits is 290304, while the sum is 44.

The square root of 144798623 is about 12033.2299487710. The cubic root of 144798623 is about 525.1154672707.

The spelling of 144798623 in words is "one hundred forty-four million, seven hundred ninety-eight thousand, six hundred twenty-three".