144503442 has 12 divisors (see below), whose sum is σ = 313090830. Its totient is φ = 48167808.

The previous prime is 144503423. The next prime is 144503453. The reversal of 144503442 is 244305441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97594641 + 46908801 = 9879^2 + 6849^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4013967 + ... + 4014002.

Almost surely, 2^144503442 is an apocalyptic number.

144503442 is an abundant number, since it is smaller than the sum of its proper divisors (168587388).

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

144503442 is a wasteful number, since it uses less digits than its factorization.

144503442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027977 (or 8027974 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 144503442 is about 12020.9584476447. The cubic root of 144503442 is about 524.7583976764.

Adding to 144503442 its reverse (244305441), we get a palindrome (388808883).

The spelling of 144503442 in words is "one hundred forty-four million, five hundred three thousand, four hundred forty-two".