171354245 has 16 divisors (see below), whose sum is σ = 210532608. Its totient is φ = 133826880.

The previous prime is 171354241. The next prime is 171354299. The reversal of 171354245 is 542453171.

It is not a de Polignac number, because 171354245 - 2² = 171354241 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 (171354241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133547 + ... + 134823.

It is an arithmetic number, because the mean of its divisors is an integer number (13158288).

Almost surely, 2^171354245 is an apocalyptic number.

It is an amenable number.

171354245 is a deficient number, since it is larger than the sum of its proper divisors (39178363).

171354245 is a wasteful number, since it uses less digits than its factorization.

171354245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its digits is 16800, while the sum is 32.

The square root of 171354245 is about 13090.2347190568. The cubic root of 171354245 is about 555.4329279048.

The spelling of 171354245 in words is "one hundred seventy-one million, three hundred fifty-four thousand, two hundred forty-five".