1143750000 has 180 divisors, whose sum is σ = 3753904328. Its totient is φ = 300000000.

The previous prime is 1143749983. The next prime is 1143750059. The reversal of 1143750000 is 573411.

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 35 ways as a sum of consecutive naturals, for example, 18749970 + ... + 18750030.

Almost surely, 2^1143750000 is an apocalyptic number.

1143750000 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 1143750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876952164).

1143750000 is an abundant number, since it is smaller than the sum of its proper divisors (2610154328).

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

1143750000 is an frugal number, since it uses more digits than its factorization.

1143750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1143750000 is about 33819.3731461717. The cubic root of 1143750000 is about 1045.7881160467.

The spelling of 1143750000 in words is "one billion, one hundred forty-three million, seven hundred fifty thousand".