155482144559 has 8 divisors (see below), whose sum is σ = 181320285600. Its totient is φ = 133270409328.

The previous prime is 155482144523. The next prime is 155482144603. The reversal of 155482144559 is 955441284551.

It is not a de Polignac number, because 155482144559 - 2²⁰ = 155481095983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155482144559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155482143559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226650014 + ... + 226650699.

It is an arithmetic number, because the mean of its divisors is an integer number (22665035700).

Almost surely, 2^155482144559 is an apocalyptic number.

155482144559 is a deficient number, since it is larger than the sum of its proper divisors (25838141041).

155482144559 is an frugal number, since it uses more digits than its factorization.

155482144559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453300734 (or 453300720 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 53.

The spelling of 155482144559 in words is "one hundred fifty-five billion, four hundred eighty-two million, one hundred forty-four thousand, five hundred fifty-nine".