79545149 has 8 divisors (see below), whose sum is σ = 80845440. Its totient is φ = 78255216.

The previous prime is 79545133. The next prime is 79545181. The reversal of 79545149 is 94154597.

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 79545149 - 2⁴ = 79545133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79545649) 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, 13712 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (10105680).

Almost surely, 2^79545149 is an apocalyptic number.

It is an amenable number.

79545149 is a deficient number, since it is larger than the sum of its proper divisors (1300291).

79545149 is a wasteful number, since it uses less digits than its factorization.

79545149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179.

The product of its digits is 226800, while the sum is 44.

The square root of 79545149 is about 8918.8087208999. The cubic root of 79545149 is about 430.0687631153.

The spelling of 79545149 in words is "seventy-nine million, five hundred forty-five thousand, one hundred forty-nine".