173687045 has 32 divisors (see below), whose sum is σ = 255322368. Its totient is φ = 110711808.

The previous prime is 173687027. The next prime is 173687081. The reversal of 173687045 is 540786371.

It is a cyclic number.

It is not a de Polignac number, because 173687045 - 2¹⁶ = 173621509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173686993 and 173687011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47627 + ... + 51143.

It is an arithmetic number, because the mean of its divisors is an integer number (7978824).

Almost surely, 2^173687045 is an apocalyptic number.

It is an amenable number.

173687045 is a deficient number, since it is larger than the sum of its proper divisors (81635323).

173687045 is a wasteful number, since it uses less digits than its factorization.

173687045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 173687045 is about 13179.0380908471. The cubic root of 173687045 is about 557.9421121159.

The spelling of 173687045 in words is "one hundred seventy-three million, six hundred eighty-seven thousand, forty-five".