144492616 has 16 divisors (see below), whose sum is σ = 280266300. Its totient is φ = 69754944.

The previous prime is 144492611. The next prime is 144492619. The reversal of 144492616 is 616294441.

It can be written as a sum of positive squares in 2 ways, for example, as 128731716 + 15760900 = 11346^2 + 3970^2 .

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (144492611) 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, 311175 + ... + 311638.

Almost surely, 2^144492616 is an apocalyptic number.

It is an amenable number.

144492616 is a deficient number, since it is larger than the sum of its proper divisors (135773684).

144492616 is a wasteful number, since it uses less digits than its factorization.

144492616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622848 (or 622844 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 144492616 is about 12020.5081423374. The cubic root of 144492616 is about 524.7452926223.

The spelling of 144492616 in words is "one hundred forty-four million, four hundred ninety-two thousand, six hundred sixteen".