144977396 has 24 divisors (see below), whose sum is σ = 264999840. Its totient is φ = 69329952.

The previous prime is 144977321. The next prime is 144977407. The reversal of 144977396 is 693779441.

It is a happy number.

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, 431 + ... + 17033.

It is an arithmetic number, because the mean of its divisors is an integer number (11041660).

Almost surely, 2^144977396 is an apocalyptic number.

It is an amenable number.

144977396 is a deficient number, since it is larger than the sum of its proper divisors (120022444).

144977396 is a wasteful number, since it uses less digits than its factorization.

144977396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16703 (or 16701 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 144977396 is about 12040.6559621974. The cubic root of 144977396 is about 525.3314864972.

The spelling of 144977396 in words is "one hundred forty-four million, nine hundred seventy-seven thousand, three hundred ninety-six".