171545002442 has 16 divisors (see below), whose sum is σ = 280991594592. Its totient is φ = 77896781520.

The previous prime is 171545002439. The next prime is 171545002459. The reversal of 171545002442 is 244200545171.

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 7 ways as a sum of consecutive naturals, for example, 3888548 + ... + 3932415.

It is an arithmetic number, because the mean of its divisors is an integer number (17561974662).

Almost surely, 2^171545002442 is an apocalyptic number.

171545002442 is a deficient number, since it is larger than the sum of its proper divisors (109446592150).

171545002442 is a wasteful number, since it uses less digits than its factorization.

171545002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821973.

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 171545002442 in words is "one hundred seventy-one billion, five hundred forty-five million, two thousand, four hundred forty-two".