1145569260 has 96 divisors (see below), whose sum is σ = 3506291712. Its totient is φ = 277150720.

The previous prime is 1145569231. The next prime is 1145569267. The reversal of 1145569260 is 629655411.

It is not an unprimeable number, because it can be changed into a prime (1145569267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389917 + ... + 392843.

It is an arithmetic number, because the mean of its divisors is an integer number (36523872).

Almost surely, 2^1145569260 is an apocalyptic number.

1145569260 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 1145569260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753145856).

1145569260 is an abundant number, since it is smaller than the sum of its proper divisors (2360722452).

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

1145569260 is a wasteful number, since it uses less digits than its factorization.

1145569260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1145569260 is about 33846.2591729130. The cubic root of 1145569260 is about 1046.3423026069.

The spelling of 1145569260 in words is "one billion, one hundred forty-five million, five hundred sixty-nine thousand, two hundred sixty".