144354553620 has 96 divisors (see below), whose sum is σ = 422279682048. Its totient is φ = 36776057472.

The previous prime is 144354553613. The next prime is 144354553703. The reversal of 144354553620 is 26355453441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078017 + ... + 1204503.

It is an arithmetic number, because the mean of its divisors is an integer number (4398746688).

Almost surely, 2^144354553620 is an apocalyptic number.

144354553620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144354553620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211139841024).

144354553620 is an abundant number, since it is smaller than the sum of its proper divisors (277925128428).

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

144354553620 is a wasteful number, since it uses less digits than its factorization.

144354553620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127349 (or 127347 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 144354553620 in words is "one hundred forty-four billion, three hundred fifty-four million, five hundred fifty-three thousand, six hundred twenty".