144440936 has 16 divisors (see below), whose sum is σ = 271788000. Its totient is φ = 71964144.

The previous prime is 144440929. The next prime is 144440951. The reversal of 144440936 is 639044441.

It is a junction number, because it is equal to n+sod(n) for n = 144440896 and 144440905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29636 + ... + 34163.

It is an arithmetic number, because the mean of its divisors is an integer number (16986750).

Almost surely, 2^144440936 is an apocalyptic number.

It is an amenable number.

144440936 is a deficient number, since it is larger than the sum of its proper divisors (127347064).

144440936 is a wasteful number, since it uses less digits than its factorization.

144440936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64088 (or 64084 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 144440936 is about 12018.3582905487. The cubic root of 144440936 is about 524.6827240951.

The spelling of 144440936 in words is "one hundred forty-four million, four hundred forty thousand, nine hundred thirty-six".