245773445 has 8 divisors (see below), whose sum is σ = 295143936. Its totient is φ = 196474896.

The previous prime is 245773439. The next prime is 245773447. The reversal of 245773445 is 544377542.

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 245773445 - 2²⁰ = 244724869 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 (245773447) 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 7 ways as a sum of consecutive naturals, for example, 10157 + ... + 24386.

It is an arithmetic number, because the mean of its divisors is an integer number (36892992).

Almost surely, 2^245773445 is an apocalyptic number.

It is an amenable number.

245773445 is a deficient number, since it is larger than the sum of its proper divisors (49370491).

245773445 is a wasteful number, since it uses less digits than its factorization.

245773445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35971.

The product of its digits is 470400, while the sum is 41.

The square root of 245773445 is about 15677.1631681245. The cubic root of 245773445 is about 626.3902449906.

The spelling of 245773445 in words is "two hundred forty-five million, seven hundred seventy-three thousand, four hundred forty-five".