989151345 has 80 divisors (see below), whose sum is σ = 2182414080. Its totient is φ = 417384576.

The previous prime is 989151301. The next prime is 989151391. The reversal of 989151345 is 543151989.

989151345 is a `hidden beast` number, since 9 + 8 + 91 + 513 + 45 = 666.

989151345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 989151345 - 2¹² = 989147249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 989151345.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23436 + ... + 50274.

It is an arithmetic number, because the mean of its divisors is an integer number (27280176).

Almost surely, 2^989151345 is an apocalyptic number.

It is an amenable number.

989151345 is an abundant number, since it is smaller than the sum of its proper divisors (1193262735).

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

989151345 is a wasteful number, since it uses less digits than its factorization.

989151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876 (or 26867 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 989151345 is about 31450.7765404926. The cubic root of 989151345 is about 996.3706252413.

The spelling of 989151345 in words is "nine hundred eighty-nine million, one hundred fifty-one thousand, three hundred forty-five".