1541112144 has 120 divisors (see below), whose sum is σ = 4712885856. Its totient is φ = 431059200.

The previous prime is 1541112127. The next prime is 1541112149. The reversal of 1541112144 is 4412111451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541112149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65299 + ... + 85709.

Almost surely, 2^1541112144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1541112144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356442928).

1541112144 is an abundant number, since it is smaller than the sum of its proper divisors (3171773712).

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

1541112144 is a wasteful number, since it uses less digits than its factorization.

1541112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457 (or 20440 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 1541112144 is about 39257.0012099753. The cubic root of 1541112144 is about 1155.0782713396.

Adding to 1541112144 its reverse (4412111451), we get a palindrome (5953223595).

The spelling of 1541112144 in words is "one billion, five hundred forty-one million, one hundred twelve thousand, one hundred forty-four".