1145851560 has 192 divisors, whose sum is σ = 4288377600. Its totient is φ = 259918848.

The previous prime is 1145851549. The next prime is 1145851583. The reversal of 1145851560 is 651585411.

1145851560 is a `hidden beast` number, since 1 + 1 + 4 + 585 + 15 + 60 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343581 + ... + 346899.

It is an arithmetic number, because the mean of its divisors is an integer number (22335300).

Almost surely, 2^1145851560 is an apocalyptic number.

1145851560 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 1145851560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144188800).

1145851560 is an abundant number, since it is smaller than the sum of its proper divisors (3142526040).

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

1145851560 is a wasteful number, since it uses less digits than its factorization.

1145851560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3473 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 1145851560 is about 33850.4292439549. The cubic root of 1145851560 is about 1046.4282447907.

It can be divided in two parts, 1145851 and 560, that added together give a palindrome (1146411).

The spelling of 1145851560 in words is "one billion, one hundred forty-five million, eight hundred fifty-one thousand, five hundred sixty".