539154144 has 120 divisors (see below), whose sum is σ = 1606318560. Its totient is φ = 177375744.

The previous prime is 539154103. The next prime is 539154149. The reversal of 539154144 is 441451935.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 539154099 and 539154108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539154149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 203452 + ... + 206084.

It is an arithmetic number, because the mean of its divisors is an integer number (13385988).

Almost surely, 2^539154144 is an apocalyptic number.

539154144 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539154144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803159280).

539154144 is an abundant number, since it is smaller than the sum of its proper divisors (1067164416).

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

539154144 is a wasteful number, since it uses less digits than its factorization.

539154144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2717 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 539154144 is about 23219.6930212266. The cubic root of 539154144 is about 813.8998764056.

The spelling of 539154144 in words is "five hundred thirty-nine million, one hundred fifty-four thousand, one hundred forty-four".