297890266145 has 16 divisors (see below), whose sum is σ = 357845040000. Its totient is φ = 238061192448.

The previous prime is 297890266129. The next prime is 297890266181. The reversal of 297890266145 is 541662098792.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 297890266145 - 2⁴ = 297890266129 is a prime.

It is a super-2 number, since 2×297890266145² (a number of 24 digits) contains 22 as substring.

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, 28947161 + ... + 28957449.

It is an arithmetic number, because the mean of its divisors is an integer number (22365315000).

Almost surely, 2^297890266145 is an apocalyptic number.

It is an amenable number.

297890266145 is a deficient number, since it is larger than the sum of its proper divisors (59954773855).

297890266145 is a wasteful number, since it uses less digits than its factorization.

297890266145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 297890266145 in words is "two hundred ninety-seven billion, eight hundred ninety million, two hundred sixty-six thousand, one hundred forty-five".