144653499 has 8 divisors (see below), whose sum is σ = 214301520. Its totient is φ = 96435648.

The previous prime is 144653489. The next prime is 144653501. The reversal of 144653499 is 994356441.

It is not a de Polignac number, because 144653499 - 2⁹ = 144652987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144653429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678742 + ... + 2678795.

It is an arithmetic number, because the mean of its divisors is an integer number (26787690).

Almost surely, 2^144653499 is an apocalyptic number.

144653499 is a deficient number, since it is larger than the sum of its proper divisors (69648021).

144653499 is an equidigital number, since it uses as much as digits as its factorization.

144653499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357546 (or 5357540 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 144653499 is about 12027.1983021816. The cubic root of 144653499 is about 524.9399768113.

It can be divided in two parts, 1446 and 53499, that added together give a palindrome (54945).

The spelling of 144653499 in words is "one hundred forty-four million, six hundred fifty-three thousand, four hundred ninety-nine".