144570242 has 8 divisors (see below), whose sum is σ = 218186256. Its totient is φ = 71841492.

The previous prime is 144570241. The next prime is 144570247. The reversal of 144570242 is 242075441.

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

It is not an unprimeable number, because it can be changed into a prime (144570241) 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, 221408 + ... + 222059.

It is an arithmetic number, because the mean of its divisors is an integer number (27273282).

Almost surely, 2^144570242 is an apocalyptic number.

144570242 is a deficient number, since it is larger than the sum of its proper divisors (73616014).

144570242 is a wasteful number, since it uses less digits than its factorization.

144570242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443632.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 144570242 is about 12023.7366072282. The cubic root of 144570242 is about 524.8392457180.

The spelling of 144570242 in words is "one hundred forty-four million, five hundred seventy thousand, two hundred forty-two".