245106645 has 32 divisors (see below), whose sum is σ = 457740288. Its totient is φ = 109662528.

The previous prime is 245106643. The next prime is 245106647. The reversal of 245106645 is 546601542.

It is an interprime number because it is at equal distance from previous prime (245106643) and next prime (245106647).

It is not a de Polignac number, because 245106645 - 2¹ = 245106643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245106643) 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, 19899 + ... + 29768.

It is an arithmetic number, because the mean of its divisors is an integer number (14304384).

Almost surely, 2^245106645 is an apocalyptic number.

It is an amenable number.

245106645 is a deficient number, since it is larger than the sum of its proper divisors (212633643).

245106645 is a wasteful number, since it uses less digits than its factorization.

245106645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49729.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 245106645 is about 15655.8821214264. The cubic root of 245106645 is about 625.8232521999.

The spelling of 245106645 in words is "two hundred forty-five million, one hundred six thousand, six hundred forty-five".