245153017172 has 48 divisors (see below), whose sum is σ = 519199632000. Its totient is φ = 98875333632.

The previous prime is 245153017129. The next prime is 245153017199. The reversal of 245153017172 is 271710351542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6406448 + ... + 6444600.

It is an arithmetic number, because the mean of its divisors is an integer number (10816659000).

Almost surely, 2^245153017172 is an apocalyptic number.

It is an amenable number.

245153017172 is an abundant number, since it is smaller than the sum of its proper divisors (274046614828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245153017172 is a wasteful number, since it uses less digits than its factorization.

245153017172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51680 (or 51678 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 245153017172 in words is "two hundred forty-five billion, one hundred fifty-three million, seventeen thousand, one hundred seventy-two".