1145515008 has 176 divisors, whose sum is σ = 3372145920. Its totient is φ = 342835200.

The previous prime is 1145514989. The next prime is 1145515039. The reversal of 1145515008 is 8005155411.

It is a tau number, because it is divible by the number of its divisors (176).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3683173 + ... + 3683483.

It is an arithmetic number, because the mean of its divisors is an integer number (19159920).

Almost surely, 2^1145515008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145515008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686072960).

1145515008 is an abundant number, since it is smaller than the sum of its proper divisors (2226630912).

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

1145515008 is a wasteful number, since it uses less digits than its factorization.

1145515008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

The square root of 1145515008 is about 33845.4577159181. The cubic root of 1145515008 is about 1046.3257847466.

The spelling of 1145515008 in words is "one billion, one hundred forty-five million, five hundred fifteen thousand, eight".