1144525500 has 144 divisors (see below), whose sum is σ = 3645873504. Its totient is φ = 302227200.

The previous prime is 1144525457. The next prime is 1144525519. The reversal of 1144525500 is 55254411.

1144525500 is a `hidden beast` number, since 114 + 45 + 2 + 5 + 500 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 480312 + ... + 482688.

It is an arithmetic number, because the mean of its divisors is an integer number (25318566).

Almost surely, 2^1144525500 is an apocalyptic number.

1144525500 is a gapful number since it is divisible by the number (10) 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 1144525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822936752).

1144525500 is an abundant number, since it is smaller than the sum of its proper divisors (2501348004).

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

1144525500 is a wasteful number, since it uses less digits than its factorization.

1144525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1144525500 is about 33830.8365252768. The cubic root of 1144525500 is about 1046.0244221906.

Adding to 1144525500 its reverse (55254411), we get a palindrome (1199779911).

It can be divided in two parts, 1 and 144525500, that added together give a triangular number (144525501 = T₁₇₀₀₁).

The spelling of 1144525500 in words is "one billion, one hundred forty-four million, five hundred twenty-five thousand, five hundred".