144534135534 has 16 divisors (see below), whose sum is σ = 289100737872. Its totient is φ = 48172634048.

The previous prime is 144534135521. The next prime is 144534135547. The reversal of 144534135534 is 435531435441.

It is an interprime number because it is at equal distance from previous prime (144534135521) and next prime (144534135547).

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, 1294719 + ... + 1401914.

It is an arithmetic number, because the mean of its divisors is an integer number (18068796117).

Almost surely, 2^144534135534 is an apocalyptic number.

144534135534 is an abundant number, since it is smaller than the sum of its proper divisors (144566602338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144534135534 is a wasteful number, since it uses less digits than its factorization.

144534135534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705571.

The product of its digits is 864000, while the sum is 42.

The spelling of 144534135534 in words is "one hundred forty-four billion, five hundred thirty-four million, one hundred thirty-five thousand, five hundred thirty-four".