144388870 has 8 divisors (see below), whose sum is σ = 259899984. Its totient is φ = 57755544.

The previous prime is 144388859. The next prime is 144388901. The reversal of 144388870 is 78883441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7219434 + ... + 7219453.

It is an arithmetic number, because the mean of its divisors is an integer number (32487498).

Almost surely, 2^144388870 is an apocalyptic number.

144388870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144388870 is a deficient number, since it is larger than the sum of its proper divisors (115511114).

144388870 is a wasteful number, since it uses less digits than its factorization.

144388870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438894.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 144388870 is about 12016.1919924742. The cubic root of 144388870 is about 524.6196731472.

The spelling of 144388870 in words is "one hundred forty-four million, three hundred eighty-eight thousand, eight hundred seventy".