1143190380 has 24 divisors (see below), whose sum is σ = 3200933232. Its totient is φ = 304850752.

The previous prime is 1143190339. The next prime is 1143190403. The reversal of 1143190380 is 830913411.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9526527 + ... + 9526646.

It is an arithmetic number, because the mean of its divisors is an integer number (133372218).

Almost surely, 2^1143190380 is an apocalyptic number.

1143190380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143190380 is an abundant number, since it is smaller than the sum of its proper divisors (2057742852).

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

1143190380 is a wasteful number, since it uses less digits than its factorization.

1143190380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19053185 (or 19053183 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1143190380 is about 33811.0984737260. The cubic root of 1143190380 is about 1045.6175253226.

The spelling of 1143190380 in words is "one billion, one hundred forty-three million, one hundred ninety thousand, three hundred eighty".