144035663661020 has 72 divisors (see below), whose sum is σ = 309116092616352. Its totient is φ = 56356381361280.

The previous prime is 144035663661011. The next prime is 144035663661037. The reversal of 144035663661020 is 20166366530441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115514537 + ... + 116754783.

It is an arithmetic number, because the mean of its divisors is an integer number (4293279064116).

Almost surely, 2^{144035663661020} is an apocalyptic number.

144035663661020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144035663661020 is an abundant number, since it is smaller than the sum of its proper divisors (165080428955332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144035663661020 is a wasteful number, since it uses less digits than its factorization.

144035663661020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240971 (or 1240638 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 144035663661020 in words is "one hundred forty-four trillion, thirty-five billion, six hundred sixty-three million, six hundred sixty-one thousand, twenty".