845479156 has 24 divisors (see below), whose sum is σ = 1608969096. Its totient is φ = 387118080.

The previous prime is 845479133. The next prime is 845479189. The reversal of 845479156 is 651974548.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 588838756 + 256640400 = 24266^2 + 16020^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165505 + ... + 170536.

It is an arithmetic number, because the mean of its divisors is an integer number (67040379).

Almost surely, 2^845479156 is an apocalyptic number.

It is an amenable number.

845479156 is a deficient number, since it is larger than the sum of its proper divisors (763489940).

845479156 is a wasteful number, since it uses less digits than its factorization.

845479156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336099 (or 336097 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 845479156 is about 29077.1242732152. The cubic root of 845479156 is about 945.5858580826.

The spelling of 845479156 in words is "eight hundred forty-five million, four hundred seventy-nine thousand, one hundred fifty-six".