144661558336 has 21 divisors (see below), whose sum is σ = 287068817911. Its totient is φ = 72329257792.

The previous prime is 144661558319. The next prime is 144661558381. The reversal of 144661558336 is 633855166441.

The square root of 144661558336 is 380344.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3018981 + ... + 3066523.

Almost surely, 2^144661558336 is an apocalyptic number.

144661558336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

144661558336 is the 380344-th square number.

It is an amenable number.

144661558336 is a deficient number, since it is larger than the sum of its proper divisors (142407259575).

144661558336 is an frugal number, since it uses more digits than its factorization.

144661558336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95098 (or 47545 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 144661558336 in words is "one hundred forty-four billion, six hundred sixty-one million, five hundred fifty-eight thousand, three hundred thirty-six".