1145543160 has 32 divisors (see below), whose sum is σ = 3436629840. Its totient is φ = 305478144.

The previous prime is 1145543159. The next prime is 1145543183. The reversal of 1145543160 is 613455411.

It is a happy number.

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

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, 4772977 + ... + 4773216.

Almost surely, 2^1145543160 is an apocalyptic number.

1145543160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145543160 is an abundant number, since it is smaller than the sum of its proper divisors (2291086680).

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

1145543160 is a wasteful number, since it uses less digits than its factorization.

1145543160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546207 (or 9546203 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1145543160 is about 33845.8736037349. The cubic root of 1145543160 is about 1046.3343561234.

Adding to 1145543160 its reverse (613455411), we get a palindrome (1758998571).

It can be divided in two parts, 11455 and 43160, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 1145543160 in words is "one billion, one hundred forty-five million, five hundred forty-three thousand, one hundred sixty".