172450381245 has 32 divisors (see below), whose sum is σ = 290539716480. Its totient is φ = 87103733760.

The previous prime is 172450381231. The next prime is 172450381247. The reversal of 172450381245 is 542183054271.

172450381245 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172450381245 - 2⁸ = 172450380989 is a prime.

172450381245 is strictly pandigital in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 172450381197 and 172450381206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172450381247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767197 + ... + 966173.

It is an arithmetic number, because the mean of its divisors is an integer number (9079366140).

Almost surely, 2^172450381245 is an apocalyptic number.

172450381245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172450381245 is a deficient number, since it is larger than the sum of its proper divisors (118089335235).

172450381245 is a wasteful number, since it uses less digits than its factorization.

172450381245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202045.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 172450381245 in words is "one hundred seventy-two billion, four hundred fifty million, three hundred eighty-one thousand, two hundred forty-five".