144145535 has 16 divisors (see below), whose sum is σ = 174690432. Its totient is φ = 114180000.

The previous prime is 144145523. The next prime is 144145541. The reversal of 144145535 is 535541441.

It is not a de Polignac number, because 144145535 - 2⁶ = 144145471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415232 + ... + 415578.

It is an arithmetic number, because the mean of its divisors is an integer number (10918152).

Almost surely, 2^144145535 is an apocalyptic number.

144145535 is a deficient number, since it is larger than the sum of its proper divisors (30544897).

144145535 is a wasteful number, since it uses less digits than its factorization.

144145535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its digits is 24000, while the sum is 32.

The square root of 144145535 is about 12006.0624269575. The cubic root of 144145535 is about 524.3247979062.

Adding to 144145535 its reverse (535541441), we get a palindrome (679686976).

The spelling of 144145535 in words is "one hundred forty-four million, one hundred forty-five thousand, five hundred thirty-five".