539748144 has 120 divisors (see below), whose sum is σ = 1677846480. Its totient is φ = 166053888.

The previous prime is 539748137. The next prime is 539748151. The reversal of 539748144 is 441847935.

539748144 is a `hidden beast` number, since 539 + 74 + 8 + 1 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (539748137) and next prime (539748151).

It is a self number, because there is not a number n which added to its sum of digits gives 539748144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69312 + ... + 76704.

It is an arithmetic number, because the mean of its divisors is an integer number (13982054).

Almost surely, 2^539748144 is an apocalyptic number.

539748144 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 539748144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838923240).

539748144 is an abundant number, since it is smaller than the sum of its proper divisors (1138098336).

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

539748144 is a wasteful number, since it uses less digits than its factorization.

539748144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436 (or 7411 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 539748144 is about 23232.4803669346. The cubic root of 539748144 is about 814.1986648536.

The spelling of 539748144 in words is "five hundred thirty-nine million, seven hundred forty-eight thousand, one hundred forty-four".