155146388244 has 48 divisors (see below), whose sum is σ = 383750535168. Its totient is φ = 48616526848.

The previous prime is 155146388203. The next prime is 155146388249. The reversal of 155146388244 is 442883641551.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155146388249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268884 + ... + 618539.

It is an arithmetic number, because the mean of its divisors is an integer number (7994802816).

Almost surely, 2^155146388244 is an apocalyptic number.

It is an amenable number.

155146388244 is an abundant number, since it is smaller than the sum of its proper divisors (228604146924).

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

155146388244 is a wasteful number, since it uses less digits than its factorization.

155146388244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888304 (or 888302 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 51.

The spelling of 155146388244 in words is "one hundred fifty-five billion, one hundred forty-six million, three hundred eighty-eight thousand, two hundred forty-four".