245145423 has 8 divisors (see below), whose sum is σ = 346087728. Its totient is φ = 153816704.

The previous prime is 245145419. The next prime is 245145499. The reversal of 245145423 is 324541542.

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 245145423 - 2² = 245145419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245145223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403336 + ... + 2403437.

It is an arithmetic number, because the mean of its divisors is an integer number (43260966).

Almost surely, 2^245145423 is an apocalyptic number.

245145423 is a deficient number, since it is larger than the sum of its proper divisors (100942305).

245145423 is a wasteful number, since it uses less digits than its factorization.

245145423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806793.

The product of its digits is 19200, while the sum is 30.

The square root of 245145423 is about 15657.1205207088. The cubic root of 245145423 is about 625.8562540175.

Adding to 245145423 its reverse (324541542), we get a palindrome (569686965).

It can be divided in two parts, 2451 and 45423, that added together give a palindrome (47874).

The spelling of 245145423 in words is "two hundred forty-five million, one hundred forty-five thousand, four hundred twenty-three".