147975871 has 8 divisors (see below), whose sum is σ = 156888144. Its totient is φ = 139086720.

The previous prime is 147975869. The next prime is 147975931. The reversal of 147975871 is 178579741.

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 147975871 - 2¹ = 147975869 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 (147975811) 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, 8421 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (19611018).

Almost surely, 2^147975871 is an apocalyptic number.

147975871 is a deficient number, since it is larger than the sum of its proper divisors (8912273).

147975871 is a wasteful number, since it uses less digits than its factorization.

147975871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561.

The product of its digits is 493920, while the sum is 49.

The square root of 147975871 is about 12164.5333243820. The cubic root of 147975871 is about 528.9284997399.

The spelling of 147975871 in words is "one hundred forty-seven million, nine hundred seventy-five thousand, eight hundred seventy-one".