145168174687 has 8 divisors (see below), whose sum is σ = 151790893056. Its totient is φ = 138571377912.

The previous prime is 145168174603. The next prime is 145168174717. The reversal of 145168174687 is 786471861541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145168174687 - 2²⁷ = 145033956959 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 (145168172687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468943 + ... + 6491344.

It is an arithmetic number, because the mean of its divisors is an integer number (18973861632).

Almost surely, 2^145168174687 is an apocalyptic number.

145168174687 is a deficient number, since it is larger than the sum of its proper divisors (6622718369).

145168174687 is a wasteful number, since it uses less digits than its factorization.

145168174687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960797.

The product of its digits is 9031680, while the sum is 58.

The spelling of 145168174687 in words is "one hundred forty-five billion, one hundred sixty-eight million, one hundred seventy-four thousand, six hundred eighty-seven".