144443542 has 16 divisors (see below), whose sum is σ = 226939392. Its totient is φ = 68820840.

The previous prime is 144443531. The next prime is 144443561. The reversal of 144443542 is 245344441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6673 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (14183712).

Almost surely, 2^144443542 is an apocalyptic number.

144443542 is a deficient number, since it is larger than the sum of its proper divisors (82495850).

144443542 is a wasteful number, since it uses less digits than its factorization.

144443542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883.

The product of its digits is 30720, while the sum is 31.

The square root of 144443542 is about 12018.4667075297. The cubic root of 144443542 is about 524.6858795140.

Adding to 144443542 its reverse (245344441), we get a palindrome (389787983).

The spelling of 144443542 in words is "one hundred forty-four million, four hundred forty-three thousand, five hundred forty-two".