245450023 has 12 divisors (see below), whose sum is σ = 303753648. Its totient is φ = 194201280.

The previous prime is 245450021. The next prime is 245450041. The reversal of 245450023 is 320054542.

It is not a de Polignac number, because 245450023 - 2¹ = 245450021 is a prime.

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 245450023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245450021) 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 11 ways as a sum of consecutive naturals, for example, 102558 + ... + 104923.

It is an arithmetic number, because the mean of its divisors is an integer number (25312804).

Almost surely, 2^245450023 is an apocalyptic number.

245450023 is a deficient number, since it is larger than the sum of its proper divisors (58303625).

245450023 is a wasteful number, since it uses less digits than its factorization.

245450023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207514 (or 207501 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245450023 is about 15666.8447046621. The cubic root of 245450023 is about 626.1153613265.

The spelling of 245450023 in words is "two hundred forty-five million, four hundred fifty thousand, twenty-three".