144497816 has 32 divisors (see below), whose sum is σ = 274428000. Its totient is φ = 71324160.

The previous prime is 144497783. The next prime is 144497827. The reversal of 144497816 is 618794441.

It is a happy number.

144497816 is nontrivially palindromic in base 16.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 287021 + ... + 287523.

It is an arithmetic number, because the mean of its divisors is an integer number (8575875).

Almost surely, 2^144497816 is an apocalyptic number.

It is an amenable number.

144497816 is a deficient number, since it is larger than the sum of its proper divisors (129930184).

144497816 is a wasteful number, since it uses less digits than its factorization.

144497816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 895 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 144497816 is about 12020.7244374039. The cubic root of 144497816 is about 524.7515873910.

The spelling of 144497816 in words is "one hundred forty-four million, four hundred ninety-seven thousand, eight hundred sixteen".