245241345 has 32 divisors (see below), whose sum is σ = 399095424. Its totient is φ = 128576000.

The previous prime is 245241329. The next prime is 245241349. The reversal of 245241345 is 543142542.

It is not a de Polignac number, because 245241345 - 2⁴ = 245241329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245241349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349495 + ... + 350195.

It is an arithmetic number, because the mean of its divisors is an integer number (12471732).

Almost surely, 2^245241345 is an apocalyptic number.

It is an amenable number.

245241345 is a deficient number, since it is larger than the sum of its proper divisors (153854079).

245241345 is a wasteful number, since it uses less digits than its factorization.

245241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073.

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

The square root of 245241345 is about 15660.1834280445. The cubic root of 245241345 is about 625.9378729935.

Adding to 245241345 its reverse (543142542), we get a palindrome (788383887).

The spelling of 245241345 in words is "two hundred forty-five million, two hundred forty-one thousand, three hundred forty-five".