1145960280 has 96 divisors (see below), whose sum is σ = 3886328160. Its totient is φ = 292300800.

The previous prime is 1145960279. The next prime is 1145960287. The reversal of 1145960280 is 820695411.

1145960280 is a `hidden beast` number, since 1 + 1 + 45 + 9 + 602 + 8 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145960287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60921 + ... + 77480.

It is an arithmetic number, because the mean of its divisors is an integer number (40482585).

Almost surely, 2^1145960280 is an apocalyptic number.

1145960280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145960280 is an abundant number, since it is smaller than the sum of its proper divisors (2740367880).

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

1145960280 is a wasteful number, since it uses less digits than its factorization.

1145960280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138441 (or 138434 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1145960280 is about 33852.0350939201. The cubic root of 1145960280 is about 1046.4613392696.

The spelling of 1145960280 in words is "one billion, one hundred forty-five million, nine hundred sixty thousand, two hundred eighty".