1140559245 has 32 divisors (see below), whose sum is σ = 2317328640. Its totient is φ = 521398080.

The previous prime is 1140559207. The next prime is 1140559247. The reversal of 1140559245 is 5429550411.

1140559245 is a `hidden beast` number, since 1 + 1 + 405 + 5 + 9 + 245 = 666.

It is not a de Polignac number, because 1140559245 - 2⁸ = 1140558989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140559247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602526 + ... + 604415.

It is an arithmetic number, because the mean of its divisors is an integer number (72416520).

Almost surely, 2^1140559245 is an apocalyptic number.

1140559245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140559245 is an abundant number, since it is smaller than the sum of its proper divisors (1176769395).

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

1140559245 is a wasteful number, since it uses less digits than its factorization.

1140559245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206962 (or 1206956 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1140559245 is about 33772.1667205407. The cubic root of 1140559245 is about 1044.8147210876.

The spelling of 1140559245 in words is "one billion, one hundred forty million, five hundred fifty-nine thousand, two hundred forty-five".