298381145 has 16 divisors (see below), whose sum is σ = 378293760. Its totient is φ = 225564864.

The previous prime is 298381123. The next prime is 298381147. The reversal of 298381145 is 541183892.

It is a cyclic number.

It is not a de Polignac number, because 298381145 - 2¹⁸ = 298119001 is a prime.

It is a super-2 number, since 2×298381145² = 178062615383022050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298381147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15077 + ... + 28706.

It is an arithmetic number, because the mean of its divisors is an integer number (23643360).

Almost surely, 2^298381145 is an apocalyptic number.

It is an amenable number.

298381145 is a deficient number, since it is larger than the sum of its proper divisors (79912615).

298381145 is a wasteful number, since it uses less digits than its factorization.

298381145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43864.

The product of its digits is 69120, while the sum is 41.

The square root of 298381145 is about 17273.7125424733. The cubic root of 298381145 is about 668.2266500251.

The spelling of 298381145 in words is "two hundred ninety-eight million, three hundred eighty-one thousand, one hundred forty-five".