144145242 has 24 divisors (see below), whose sum is σ = 312586560. Its totient is φ = 48006600.

The previous prime is 144145241. The next prime is 144145259. The reversal of 144145242 is 242541441.

144145242 is a `hidden beast` number, since 1 + 4 + 414 + 5 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (144145241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23359 + ... + 28877.

It is an arithmetic number, because the mean of its divisors is an integer number (13024440).

Almost surely, 2^144145242 is an apocalyptic number.

144145242 is an abundant number, since it is smaller than the sum of its proper divisors (168441318).

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

144145242 is a wasteful number, since it uses less digits than its factorization.

144145242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978 (or 6975 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 144145242 is about 12006.0502247825. The cubic root of 144145242 is about 524.3244426466.

Adding to 144145242 its reverse (242541441), we get a palindrome (386686683).

The spelling of 144145242 in words is "one hundred forty-four million, one hundred forty-five thousand, two hundred forty-two".