147640173 has 8 divisors (see below), whose sum is σ = 198660000. Its totient is φ = 97523568.

The previous prime is 147640159. The next prime is 147640183. The reversal of 147640173 is 371046741.

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

It is not a de Polignac number, because 147640173 - 2⁶ = 147640109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147640133) 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, 225423 + ... + 226076.

It is an arithmetic number, because the mean of its divisors is an integer number (24832500).

Almost surely, 2^147640173 is an apocalyptic number.

It is an amenable number.

147640173 is a deficient number, since it is larger than the sum of its proper divisors (51019827).

147640173 is a wasteful number, since it uses less digits than its factorization.

147640173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451611.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 147640173 is about 12150.7272621848. The cubic root of 147640173 is about 528.5282212377.

The spelling of 147640173 in words is "one hundred forty-seven million, six hundred forty thousand, one hundred seventy-three".