144228670 has 8 divisors (see below), whose sum is σ = 259611624. Its totient is φ = 57691464.

The previous prime is 144228661. The next prime is 144228671. The reversal of 144228670 is 76822441.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144228671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7211424 + ... + 7211443.

It is an arithmetic number, because the mean of its divisors is an integer number (32451453).

Almost surely, 2^144228670 is an apocalyptic number.

144228670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144228670 is a deficient number, since it is larger than the sum of its proper divisors (115382954).

144228670 is a wasteful number, since it uses less digits than its factorization.

144228670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422874.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 144228670 is about 12009.5241371172. The cubic root of 144228670 is about 524.4255788397.

The spelling of 144228670 in words is "one hundred forty-four million, two hundred twenty-eight thousand, six hundred seventy".