144271980 has 72 divisors (see below), whose sum is σ = 442190112. Its totient is φ = 38071296.

The previous prime is 144271973. The next prime is 144271987. The reversal of 144271980 is 89172441.

It is an interprime number because it is at equal distance from previous prime (144271973) and next prime (144271987).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144271987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13329 + ... + 21591.

Almost surely, 2^144271980 is an apocalyptic number.

144271980 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 144271980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221095056).

144271980 is an abundant number, since it is smaller than the sum of its proper divisors (297918132).

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

144271980 is a wasteful number, since it uses less digits than its factorization.

144271980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375 (or 8370 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 144271980 is about 12011.3271539826. The cubic root of 144271980 is about 524.4780663207.

The spelling of 144271980 in words is "one hundred forty-four million, two hundred seventy-one thousand, nine hundred eighty".