544142155000 has 40 divisors (see below), whose sum is σ = 1274925080880. Its totient is φ = 217656860000.

The previous prime is 544142154977. The next prime is 544142155009. The reversal of 544142155000 is 551241445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544142155009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54409216 + ... + 54419215.

It is an arithmetic number, because the mean of its divisors is an integer number (31873127022).

Almost surely, 2^544142155000 is an apocalyptic number.

544142155000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

544142155000 is an abundant number, since it is smaller than the sum of its proper divisors (730782925880).

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

544142155000 is a wasteful number, since it uses less digits than its factorization.

544142155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108828457 (or 108828438 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 544142155000 its reverse (551241445), we get a palindrome (544693396445).

The spelling of 544142155000 in words is "five hundred forty-four billion, one hundred forty-two million, one hundred fifty-five thousand".