297135445 has 4 divisors (see below), whose sum is σ = 356562540. Its totient is φ = 237708352.

The previous prime is 297135439. The next prime is 297135463. The reversal of 297135445 is 544531792.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146361604 + 150773841 = 12098^2 + 12279^2 .

It is a cyclic number.

It is not a de Polignac number, because 297135445 - 2⁷ = 297135317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 297135398 and 297135407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29713540 + ... + 29713549.

It is an arithmetic number, because the mean of its divisors is an integer number (89140635).

Almost surely, 2^297135445 is an apocalyptic number.

It is an amenable number.

297135445 is a deficient number, since it is larger than the sum of its proper divisors (59427095).

297135445 is an equidigital number, since it uses as much as digits as its factorization.

297135445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59427094.

The product of its digits is 151200, while the sum is 40.

The square root of 297135445 is about 17237.6171497107. The cubic root of 297135445 is about 667.2954349836.

It can be divided in two parts, 2971 and 35445, that added together give a 4-th power (38416 = 14⁴).

The spelling of 297135445 in words is "two hundred ninety-seven million, one hundred thirty-five thousand, four hundred forty-five".