144729980 has 12 divisors (see below), whose sum is σ = 303933000. Its totient is φ = 57891984.

The previous prime is 144729971. The next prime is 144730031. The reversal of 144729980 is 89927441.

It is a super-2 number, since 2×144729980² = 41893534221600800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3618230 + ... + 3618269.

It is an arithmetic number, because the mean of its divisors is an integer number (25327750).

Almost surely, 2^144729980 is an apocalyptic number.

144729980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144729980 is an abundant number, since it is smaller than the sum of its proper divisors (159203020).

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

144729980 is a wasteful number, since it uses less digits than its factorization.

144729980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236508 (or 7236506 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 144729980 is about 12030.3773839394. The cubic root of 144729980 is about 525.0324756933.

The spelling of 144729980 in words is "one hundred forty-four million, seven hundred twenty-nine thousand, nine hundred eighty".