144021445455400 has 96 divisors (see below), whose sum is σ = 352477535306400. Its totient is φ = 54575928748800.

The previous prime is 144021445455359. The next prime is 144021445455413. The reversal of 144021445455400 is 4554544120441.

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, 470488395 + ... + 470794405.

It is an arithmetic number, because the mean of its divisors is an integer number (3671640992775).

Almost surely, 2^{144021445455400} is an apocalyptic number.

144021445455400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144021445455400 is an abundant number, since it is smaller than the sum of its proper divisors (208456089851000).

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

144021445455400 is a wasteful number, since it uses less digits than its factorization.

144021445455400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429899 (or 429890 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 43.

Adding to 144021445455400 its reverse (4554544120441), we get a palindrome (148575989575841).

The spelling of 144021445455400 in words is "one hundred forty-four trillion, twenty-one billion, four hundred forty-five million, four hundred fifty-five thousand, four hundred".