8981145292 has 48 divisors (see below), whose sum is σ = 18411796480. Its totient is φ = 3753050112.

The previous prime is 8981145287. The next prime is 8981145301. The reversal of 8981145292 is 2925411898.

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, 724684 + ... + 736972.

Almost surely, 2^8981145292 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 8981145292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9205898240).

8981145292 is an abundant number, since it is smaller than the sum of its proper divisors (9430651188).

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

8981145292 is a wasteful number, since it uses less digits than its factorization.

8981145292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950 (or 12948 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 8981145292 is about 94768.9046681452. The cubic root of 8981145292 is about 2078.6302381337.

The spelling of 8981145292 in words is "eight billion, nine hundred eighty-one million, one hundred forty-five thousand, two hundred ninety-two".