1494643173 has 8 divisors (see below), whose sum is σ = 1997163648. Its totient is φ = 994275744.

The previous prime is 1494643159. The next prime is 1494643177. The reversal of 1494643173 is 3713464941.

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

It is not a de Polignac number, because 1494643173 - 2⁵ = 1494643141 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494643177) 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, 536640 + ... + 539417.

It is an arithmetic number, because the mean of its divisors is an integer number (249645456).

Almost surely, 2^1494643173 is an apocalyptic number.

It is an amenable number.

1494643173 is a deficient number, since it is larger than the sum of its proper divisors (502520475).

1494643173 is a wasteful number, since it uses less digits than its factorization.

1494643173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076523.

The product of its digits is 217728, while the sum is 42.

The square root of 1494643173 is about 38660.6152692892. The cubic root of 1494643173 is about 1143.3499424886.

The spelling of 1494643173 in words is "one billion, four hundred ninety-four million, six hundred forty-three thousand, one hundred seventy-three".