144381700 has 18 divisors (see below), whose sum is σ = 313308506. Its totient is φ = 57752640.

The previous prime is 144381689. The next prime is 144381701. The reversal of 144381700 is 7183441.

It can be written as a sum of positive squares in 3 ways, for example, as 3437316 + 140944384 = 1854^2 + 11872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144381701) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 721809 + ... + 722008.

Almost surely, 2^144381700 is an apocalyptic number.

144381700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144381700 is an abundant number, since it is smaller than the sum of its proper divisors (168926806).

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

144381700 is a wasteful number, since it uses less digits than its factorization.

144381700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443831 (or 1443824 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 144381700 is about 12015.8936413402. The cubic root of 144381700 is about 524.6109892246.

The spelling of 144381700 in words is "one hundred forty-four million, three hundred eighty-one thousand, seven hundred".