297145018 has 16 divisors (see below), whose sum is σ = 448364160. Its totient is φ = 147693616.

The previous prime is 297145001. The next prime is 297145031. The reversal of 297145018 is 810541792.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399555 + ... + 400297.

It is an arithmetic number, because the mean of its divisors is an integer number (28022760).

Almost surely, 2^297145018 is an apocalyptic number.

297145018 is a deficient number, since it is larger than the sum of its proper divisors (151219142).

297145018 is a wasteful number, since it uses less digits than its factorization.

297145018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 297145018 is about 17237.8948250649. The cubic root of 297145018 is about 667.3026011326.

The spelling of 297145018 in words is "two hundred ninety-seven million, one hundred forty-five thousand, eighteen".