144511442 has 8 divisors (see below), whose sum is σ = 216818316. Its totient is φ = 72238672.

The previous prime is 144511439. The next prime is 144511447. The reversal of 144511442 is 244115441.

It can be written as a sum of positive squares in 2 ways, for example, as 110859841 + 33651601 = 10529^2 + 5801^2 .

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 (144511447) 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, 11168 + ... + 20340.

Almost surely, 2^144511442 is an apocalyptic number.

144511442 is a deficient number, since it is larger than the sum of its proper divisors (72306874).

144511442 is an equidigital number, since it uses as much as digits as its factorization.

144511442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17052.

The product of its digits is 2560, while the sum is 26.

The square root of 144511442 is about 12021.2911952086. The cubic root of 144511442 is about 524.7680813897.

Adding to 144511442 its reverse (244115441), we get a palindrome (388626883).

The spelling of 144511442 in words is "one hundred forty-four million, five hundred eleven thousand, four hundred forty-two".