144343980 has 72 divisors (see below), whose sum is σ = 477653904. Its totient is φ = 34992000.

The previous prime is 144343951. The next prime is 144343999. The reversal of 144343980 is 89343441.

144343980 is a `hidden beast` number, since 144 + 3 + 439 + 80 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

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, 34471 + ... + 38430.

It is an arithmetic number, because the mean of its divisors is an integer number (6634082).

Almost surely, 2^144343980 is an apocalyptic number.

144343980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144343980 is an abundant number, since it is smaller than the sum of its proper divisors (333309924).

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

144343980 is a wasteful number, since it uses less digits than its factorization.

144343980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72927 (or 72922 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 144343980 is about 12014.3239510178. The cubic root of 144343980 is about 524.5653000317.

The spelling of 144343980 in words is "one hundred forty-four million, three hundred forty-three thousand, nine hundred eighty".