144202135 has 64 divisors (see below), whose sum is σ = 226934784. Its totient is φ = 85363200.

The previous prime is 144202129. The next prime is 144202141. The reversal of 144202135 is 531202441.

It is an interprime number because it is at equal distance from previous prime (144202129) and next prime (144202141).

It is not a de Polignac number, because 144202135 - 2³ = 144202127 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 754890 + ... + 755080.

It is an arithmetic number, because the mean of its divisors is an integer number (3545856).

Almost surely, 2^144202135 is an apocalyptic number.

144202135 is the 9805-th pentagonal number.

144202135 is a deficient number, since it is larger than the sum of its proper divisors (82732649).

144202135 is a wasteful number, since it uses less digits than its factorization.

144202135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144202135 is about 12008.4193381144. The cubic root of 144202135 is about 524.3934158256.

Adding to 144202135 its reverse (531202441), we get a palindrome (675404576).

The spelling of 144202135 in words is "one hundred forty-four million, two hundred two thousand, one hundred thirty-five".