144155544420 has 24 divisors (see below), whose sum is σ = 403635524544. Its totient is φ = 38441478496.

The previous prime is 144155544353. The next prime is 144155544469. The reversal of 144155544420 is 24445551441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201296144 + ... + 1201296263.

It is an arithmetic number, because the mean of its divisors is an integer number (16818146856).

Almost surely, 2^144155544420 is an apocalyptic number.

144155544420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144155544420 is an abundant number, since it is smaller than the sum of its proper divisors (259479980124).

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

144155544420 is a wasteful number, since it uses less digits than its factorization.

144155544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402592419 (or 2402592417 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

The spelling of 144155544420 in words is "one hundred forty-four billion, one hundred fifty-five million, five hundred forty-four thousand, four hundred twenty".