1145005008 has 40 divisors (see below), whose sum is σ = 3380491968. Its totient is φ = 327144192.

The previous prime is 1145005007. The next prime is 1145005013. The reversal of 1145005008 is 8005005411.

It is a super-2 number, since 2×1145005008² = 2622072936690160128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145005007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703541 + ... + 1704212.

Almost surely, 2^1145005008 is an apocalyptic number.

It is an amenable number.

1145005008 is an abundant number, since it is smaller than the sum of its proper divisors (2235486960).

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

1145005008 is a wasteful number, since it uses less digits than its factorization.

1145005008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407771 (or 3407765 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1145005008 is about 33837.9226312727. The cubic root of 1145005008 is about 1046.1704818599.

The spelling of 1145005008 in words is "one billion, one hundred forty-five million, five thousand, eight".