1145244260 has 24 divisors (see below), whose sum is σ = 2405652480. Its totient is φ = 457975904.

The previous prime is 1145244251. The next prime is 1145244293. The reversal of 1145244260 is 624425411.

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, 131357 + ... + 139803.

It is an arithmetic number, because the mean of its divisors is an integer number (100235520).

Almost surely, 2^1145244260 is an apocalyptic number.

1145244260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145244260 is an abundant number, since it is smaller than the sum of its proper divisors (1260408220).

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

1145244260 is a wasteful number, since it uses less digits than its factorization.

1145244260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15235 (or 15233 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1145244260 is about 33841.4577109202. The cubic root of 1145244260 is about 1046.2433435350.

Adding to 1145244260 its reverse (624425411), we get a palindrome (1769669671).

The spelling of 1145244260 in words is "one billion, one hundred forty-five million, two hundred forty-four thousand, two hundred sixty".