144245534 has 16 divisors (see below), whose sum is σ = 219835728. Its totient is φ = 70973952.

The previous prime is 144245533. The next prime is 144245551. The reversal of 144245534 is 435542441.

It is a self number, because there is not a number n which added to its sum of digits gives 144245534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144245531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44414 + ... + 47550.

It is an arithmetic number, because the mean of its divisors is an integer number (13739733).

Almost surely, 2^144245534 is an apocalyptic number.

144245534 is a deficient number, since it is larger than the sum of its proper divisors (75590194).

144245534 is a wasteful number, since it uses less digits than its factorization.

144245534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499.

The product of its digits is 38400, while the sum is 32.

The square root of 144245534 is about 12010.2262260126. The cubic root of 144245534 is about 524.4460176061.

Adding to 144245534 its reverse (435542441), we get a palindrome (579787975).

The spelling of 144245534 in words is "one hundred forty-four million, two hundred forty-five thousand, five hundred thirty-four".