245666453 has 8 divisors (see below), whose sum is σ = 254314080. Its totient is φ = 237030640.

The previous prime is 245666431. The next prime is 245666503. The reversal of 245666453 is 354666542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245666453 - 2¹⁶ = 245600917 is a prime.

It is a super-2 number, since 2×245666453² = 120704012259202418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245666453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245666653) 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 7 ways as a sum of consecutive naturals, for example, 71726 + ... + 75072.

It is an arithmetic number, because the mean of its divisors is an integer number (31789260).

Almost surely, 2^245666453 is an apocalyptic number.

It is an amenable number.

245666453 is a deficient number, since it is larger than the sum of its proper divisors (8647627).

245666453 is a wasteful number, since it uses less digits than its factorization.

245666453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907.

The product of its digits is 518400, while the sum is 41.

The square root of 245666453 is about 15673.7504446128. The cubic root of 245666453 is about 626.2993367797.

The spelling of 245666453 in words is "two hundred forty-five million, six hundred sixty-six thousand, four hundred fifty-three".