845099146 has 8 divisors (see below), whose sum is σ = 1267954020. Its totient is φ = 422447808.

The previous prime is 845099141. The next prime is 845099147. The reversal of 845099146 is 641990548.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 780923025 + 64176121 = 27945^2 + 8011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 845099096 and 845099105.

It is not an unprimeable number, because it can be changed into a prime (845099141) 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, 40041 + ... + 57388.

Almost surely, 2^845099146 is an apocalyptic number.

845099146 is a deficient number, since it is larger than the sum of its proper divisors (422854874).

845099146 is a wasteful number, since it uses less digits than its factorization.

845099146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101768.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 845099146 is about 29070.5890205204. The cubic root of 845099146 is about 945.4441688294. Note that the first 3 decimals are identical.

The spelling of 845099146 in words is "eight hundred forty-five million, ninety-nine thousand, one hundred forty-six".