245730465 has 24 divisors (see below), whose sum is σ = 426329280. Its totient is φ = 130934304.

The previous prime is 245730437. The next prime is 245730467. The reversal of 245730465 is 564037542.

245730465 is a `hidden beast` number, since 24 + 573 + 0 + 4 + 65 = 666.

It is not a de Polignac number, because 245730465 - 2¹⁹ = 245206177 is a prime.

It is a super-2 number, since 2×245730465² = 120766922858232450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245730467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67666 + ... + 71204.

It is an arithmetic number, because the mean of its divisors is an integer number (17763720).

Almost surely, 2^245730465 is an apocalyptic number.

It is an amenable number.

245730465 is a deficient number, since it is larger than the sum of its proper divisors (180598815).

245730465 is a wasteful number, since it uses less digits than its factorization.

245730465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 245730465 is about 15675.7923244728. The cubic root of 245730465 is about 626.3537292172.

The spelling of 245730465 in words is "two hundred forty-five million, seven hundred thirty thousand, four hundred sixty-five".