845479157 has 8 divisors (see below), whose sum is σ = 890288160. Its totient is φ = 800701200.

The previous prime is 845479133. The next prime is 845479189. The reversal of 845479157 is 751974548.

It is a happy number.

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 845479157 - 2¹⁰ = 845478133 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 (845479127) 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, 66407 + ... + 78107.

It is an arithmetic number, because the mean of its divisors is an integer number (111286020).

Almost surely, 2^845479157 is an apocalyptic number.

It is an amenable number.

845479157 is a deficient number, since it is larger than the sum of its proper divisors (44809003).

845479157 is a wasteful number, since it uses less digits than its factorization.

845479157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15523.

The product of its digits is 1411200, while the sum is 50.

The square root of 845479157 is about 29077.1242904108. The cubic root of 845479157 is about 945.5858584554.

The spelling of 845479157 in words is "eight hundred forty-five million, four hundred seventy-nine thousand, one hundred fifty-seven".