179147149 has 4 divisors (see below), whose sum is σ = 180732636. Its totient is φ = 177561664.

The previous prime is 179147141. The next prime is 179147153. The reversal of 179147149 is 941741971.

179147149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93954249 + 85192900 = 9693^2 + 9230^2 .

It is a cyclic number.

It is not a de Polignac number, because 179147149 - 2³ = 179147141 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 (179147141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792574 + ... + 792799.

It is an arithmetic number, because the mean of its divisors is an integer number (45183159).

Almost surely, 2^179147149 is an apocalyptic number.

It is an amenable number.

179147149 is a deficient number, since it is larger than the sum of its proper divisors (1585487).

179147149 is a wasteful number, since it uses less digits than its factorization.

179147149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585486.

The product of its digits is 63504, while the sum is 43.

The square root of 179147149 is about 13384.5862468737. The cubic root of 179147149 is about 563.7284679986.

The spelling of 179147149 in words is "one hundred seventy-nine million, one hundred forty-seven thousand, one hundred forty-nine".