144463380 has 24 divisors (see below), whose sum is σ = 404497632. Its totient is φ = 38523552.

The previous prime is 144463351. The next prime is 144463411. The reversal of 144463380 is 83364441.

It is a happy number.

It is a super-2 number, since 2×144463380² = 41739336322048800, 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203802 + ... + 1203921.

It is an arithmetic number, because the mean of its divisors is an integer number (16854068).

Almost surely, 2^144463380 is an apocalyptic number.

144463380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144463380 is an abundant number, since it is smaller than the sum of its proper divisors (260034252).

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

144463380 is a wasteful number, since it uses less digits than its factorization.

144463380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407735 (or 2407733 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 144463380 is about 12019.2919924595. The cubic root of 144463380 is about 524.7098986840.

The spelling of 144463380 in words is "one hundred forty-four million, four hundred sixty-three thousand, three hundred eighty".