1544113152 has 88 divisors (see below), whose sum is σ = 4572998000. Its totient is φ = 514695168.

The previous prime is 1544113133. The next prime is 1544113199. The reversal of 1544113152 is 2513114451.

1544113152 is a `hidden beast` number, since 1 + 544 + 113 + 1 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 55572.

Almost surely, 2^1544113152 is an apocalyptic number.

1544113152 is a gapful number since it is divisible by the number (12) 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 1544113152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2286499000).

1544113152 is an abundant number, since it is smaller than the sum of its proper divisors (3028884848).

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

1544113152 is an equidigital number, since it uses as much as digits as its factorization.

1544113152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55878 (or 55854 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1544113152 is about 39295.2052036887. The cubic root of 1544113152 is about 1155.8275465816.

The spelling of 1544113152 in words is "one billion, five hundred forty-four million, one hundred thirteen thousand, one hundred fifty-two".