144027730 has 32 divisors (see below), whose sum is σ = 323222400. Its totient is φ = 44891520.

The previous prime is 144027713. The next prime is 144027743. The reversal of 144027730 is 37720441.

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 15 ways as a sum of consecutive naturals, for example, 92755 + ... + 94294.

It is an arithmetic number, because the mean of its divisors is an integer number (10100700).

Almost surely, 2^144027730 is an apocalyptic number.

144027730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144027730 is an abundant number, since it is smaller than the sum of its proper divisors (179194670).

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

144027730 is a wasteful number, since it uses less digits than its factorization.

144027730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187074.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 144027730 is about 12001.1553610475. The cubic root of 144027730 is about 524.1819216633.

The spelling of 144027730 in words is "one hundred forty-four million, twenty-seven thousand, seven hundred thirty".