1145980080 has 120 divisors (see below), whose sum is σ = 4398400032. Its totient is φ = 261937152.

The previous prime is 1145980049. The next prime is 1145980093. The reversal of 1145980080 is 800895411.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108649 + ... + 118728.

Almost surely, 2^1145980080 is an apocalyptic number.

1145980080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145980080 is an abundant number, since it is smaller than the sum of its proper divisors (3252419952).

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

1145980080 is a wasteful number, since it uses less digits than its factorization.

1145980080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227403 (or 227394 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1145980080 is about 33852.3275418397. The cubic root of 1145980080 is about 1046.4673661845.

The spelling of 1145980080 in words is "one billion, one hundred forty-five million, nine hundred eighty thousand, eighty".