245254445 has 8 divisors (see below), whose sum is σ = 299293920. Its totient is φ = 192877840.

The previous prime is 245254441. The next prime is 245254453. The reversal of 245254445 is 544452542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245254445 - 2² = 245254441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245254441) 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, 415391 + ... + 415980.

It is an arithmetic number, because the mean of its divisors is an integer number (37411740).

Almost surely, 2^245254445 is an apocalyptic number.

It is an amenable number.

245254445 is a deficient number, since it is larger than the sum of its proper divisors (54039475).

245254445 is an equidigital number, since it uses as much as digits as its factorization.

245254445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831435.

The product of its digits is 128000, while the sum is 35.

The square root of 245254445 is about 15660.6016806507. The cubic root of 245254445 is about 625.9490179877.

The spelling of 245254445 in words is "two hundred forty-five million, two hundred fifty-four thousand, four hundred forty-five".