173398143542 has 12 divisors (see below), whose sum is σ = 281643730740. Its totient is φ = 80029912248.

The previous prime is 173398143521. The next prime is 173398143559. The reversal of 173398143542 is 245341893371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256505792 + ... + 256506467.

It is an arithmetic number, because the mean of its divisors is an integer number (23470310895).

Almost surely, 2^173398143542 is an apocalyptic number.

173398143542 is a deficient number, since it is larger than the sum of its proper divisors (108245587198).

173398143542 is a wasteful number, since it uses less digits than its factorization.

173398143542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513012287 (or 513012274 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The spelling of 173398143542 in words is "one hundred seventy-three billion, three hundred ninety-eight million, one hundred forty-three thousand, five hundred forty-two".