1145113506 has 24 divisors (see below), whose sum is σ = 2627025804. Its totient is φ = 359251200.

The previous prime is 1145113471. The next prime is 1145113577. The reversal of 1145113506 is 6053115411.

1145113506 is a `hidden beast` number, since 1 + 1 + 45 + 113 + 506 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1050343281 + 94770225 = 32409^2 + 9735^2 .

It is a super-2 number, since 2×1145113506² = 2622569883247224072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145113506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870795 + ... + 1871406.

Almost surely, 2^1145113506 is an apocalyptic number.

1145113506 is an abundant number, since it is smaller than the sum of its proper divisors (1481912298).

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

1145113506 is a wasteful number, since it uses less digits than its factorization.

1145113506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742226 (or 3742223 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1145113506 is about 33839.5257945498. The cubic root of 1145113506 is about 1046.2035250400.

Adding to 1145113506 its reverse (6053115411), we get a palindrome (7198228917).

The spelling of 1145113506 in words is "one billion, one hundred forty-five million, one hundred thirteen thousand, five hundred six".