172603486245 has 16 divisors (see below), whose sum is σ = 285074145792. Its totient is φ = 89085670080.

The previous prime is 172603486169. The next prime is 172603486259. The reversal of 172603486245 is 542684306271.

It is not a de Polignac number, because 172603486245 - 2¹³ = 172603478053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172603486194 and 172603486203.

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 15 ways as a sum of consecutive naturals, for example, 185594682 + ... + 185595611.

It is an arithmetic number, because the mean of its divisors is an integer number (17817134112).

Almost surely, 2^172603486245 is an apocalyptic number.

172603486245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172603486245 is a deficient number, since it is larger than the sum of its proper divisors (112470659547).

172603486245 is a wasteful number, since it uses less digits than its factorization.

172603486245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371190332.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 172603486245 in words is "one hundred seventy-two billion, six hundred three million, four hundred eighty-six thousand, two hundred forty-five".