144534042135 has 24 divisors (see below), whose sum is σ = 286315055520. Its totient is φ = 66072704832.

The previous prime is 144534042119. The next prime is 144534042157. The reversal of 144534042135 is 531240435441.

144534042135 is a `hidden beast` number, since 1 + 445 + 3 + 40 + 42 + 135 = 666.

It is not a de Polignac number, because 144534042135 - 2⁴ = 144534042119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144534042135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229418800 + ... + 229419429.

It is an arithmetic number, because the mean of its divisors is an integer number (11929793980).

Almost surely, 2^144534042135 is an apocalyptic number.

144534042135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144534042135 is a deficient number, since it is larger than the sum of its proper divisors (141781013385).

144534042135 is a wasteful number, since it uses less digits than its factorization.

144534042135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458838247 (or 458838244 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 144534042135 its reverse (531240435441), we get a palindrome (675774477576).

The spelling of 144534042135 in words is "one hundred forty-four billion, five hundred thirty-four million, forty-two thousand, one hundred thirty-five".