245153440445 has 8 divisors (see below), whose sum is σ = 309667503840. Its totient is φ = 185800502160.

The previous prime is 245153440439. The next prime is 245153440459. The reversal of 245153440445 is 544044351542.

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

It is not a de Polignac number, because 245153440445 - 2⁴ = 245153440429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290281171 + ... + 1290281360.

It is an arithmetic number, because the mean of its divisors is an integer number (38708437980).

Almost surely, 2^245153440445 is an apocalyptic number.

It is an amenable number.

245153440445 is a deficient number, since it is larger than the sum of its proper divisors (64514063395).

245153440445 is a wasteful number, since it uses less digits than its factorization.

245153440445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580562555.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 245153440445 its reverse (544044351542), we get a palindrome (789197791987).

The spelling of 245153440445 in words is "two hundred forty-five billion, one hundred fifty-three million, four hundred forty thousand, four hundred forty-five".