245045423 has 6 divisors (see below), whose sum is σ = 285052896. Its totient is φ = 210038892.

The previous prime is 245045419. The next prime is 245045431. The reversal of 245045423 is 324540542.

It is not a de Polignac number, because 245045423 - 2² = 245045419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245045323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500415 + ... + 2500512.

It is an arithmetic number, because the mean of its divisors is an integer number (47508816).

Almost surely, 2^245045423 is an apocalyptic number.

245045423 is a deficient number, since it is larger than the sum of its proper divisors (40007473).

245045423 is an equidigital number, since it uses as much as digits as its factorization.

245045423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000941 (or 5000934 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 245045423 is about 15653.9267597622. The cubic root of 245045423 is about 625.7711424449.

Adding to 245045423 its reverse (324540542), we get a palindrome (569585965).

The spelling of 245045423 in words is "two hundred forty-five million, forty-five thousand, four hundred twenty-three".