144381830 has 8 divisors (see below), whose sum is σ = 259887312. Its totient is φ = 57752728.

The previous prime is 144381827. The next prime is 144381847. The reversal of 144381830 is 38183441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144381830² = 41692225668297800, 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, 7219082 + ... + 7219101.

It is an arithmetic number, because the mean of its divisors is an integer number (32485914).

Almost surely, 2^144381830 is an apocalyptic number.

144381830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144381830 is a deficient number, since it is larger than the sum of its proper divisors (115505482).

144381830 is a wasteful number, since it uses less digits than its factorization.

144381830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14438190.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 144381830 is about 12015.8990508409. The cubic root of 144381830 is about 524.6111466762.

The spelling of 144381830 in words is "one hundred forty-four million, three hundred eighty-one thousand, eight hundred thirty".