845294149 has 12 divisors (see below), whose sum is σ = 993042828. Its totient is φ = 717360000.

The previous prime is 845294113. The next prime is 845294231. The reversal of 845294149 is 941492548.

It can be written as a sum of positive squares in 2 ways, for example, as 749116900 + 96177249 = 27370^2 + 9807^2 .

It is not a de Polignac number, because 845294149 - 2¹³ = 845285957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 845294099 and 845294108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845294449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80452 + ... + 90349.

It is an arithmetic number, because the mean of its divisors is an integer number (82753569).

Almost surely, 2^845294149 is an apocalyptic number.

It is an amenable number.

845294149 is a deficient number, since it is larger than the sum of its proper divisors (147748679).

845294149 is a wasteful number, since it uses less digits than its factorization.

845294149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170916 (or 170909 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 845294149 is about 29073.9427838744. The cubic root of 845294149 is about 945.5168822980.

The spelling of 845294149 in words is "eight hundred forty-five million, two hundred ninety-four thousand, one hundred forty-nine".