144023551 has 16 divisors (see below), whose sum is σ = 170680320. Its totient is φ = 118923840.

The previous prime is 144023533. The next prime is 144023567. The reversal of 144023551 is 155320441.

It is a happy number.

It is not a de Polignac number, because 144023551 - 2⁷ = 144023423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144023521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50475 + ... + 53251.

It is an arithmetic number, because the mean of its divisors is an integer number (10667520).

Almost surely, 2^144023551 is an apocalyptic number.

144023551 is a deficient number, since it is larger than the sum of its proper divisors (26656769).

144023551 is a wasteful number, since it uses less digits than its factorization.

144023551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 144023551 is about 12000.9812515477. The cubic root of 144023551 is about 524.1768518585.

Adding to 144023551 its reverse (155320441), we get a palindrome (299343992).

The spelling of 144023551 in words is "one hundred forty-four million, twenty-three thousand, five hundred fifty-one".