173745923452 has 6 divisors (see below), whose sum is σ = 304055366048. Its totient is φ = 86872961724.

The previous prime is 173745923437. The next prime is 173745923459. The reversal of 173745923452 is 254329547371.

It is a self number, because there is not a number n which added to its sum of digits gives 173745923452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173745923459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21718240428 + ... + 21718240435.

Almost surely, 2^173745923452 is an apocalyptic number.

It is an amenable number.

173745923452 is a deficient number, since it is larger than the sum of its proper divisors (130309442596).

173745923452 is a wasteful number, since it uses less digits than its factorization.

173745923452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43436480867 (or 43436480865 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 173745923452 in words is "one hundred seventy-three billion, seven hundred forty-five million, nine hundred twenty-three thousand, four hundred fifty-two".