245153550503 has 4 divisors (see below), whose sum is σ = 253607121240. Its totient is φ = 236699979768.

The previous prime is 245153550491. The next prime is 245153550557. The reversal of 245153550503 is 305055351542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245153550503 - 2⁴ = 245153550487 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 (245153550403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226785325 + ... + 4226785382.

It is an arithmetic number, because the mean of its divisors is an integer number (63401780310).

Almost surely, 2^245153550503 is an apocalyptic number.

245153550503 is a deficient number, since it is larger than the sum of its proper divisors (8453570737).

245153550503 is an equidigital number, since it uses as much as digits as its factorization.

245153550503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453570736.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 245153550503 in words is "two hundred forty-five billion, one hundred fifty-three million, five hundred fifty thousand, five hundred three".