845013776157 has 12 divisors (see below), whose sum is σ = 1225112913180. Its totient is φ = 561248305728.

The previous prime is 845013776137. The next prime is 845013776197. The reversal of 845013776157 is 751677310548.

845013776157 is a `hidden beast` number, since 8 + 4 + 5 + 0 + 13 + 7 + 7 + 615 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 249749063001 + 595264713156 = 499749^2 + 771534^2 .

It is not a de Polignac number, because 845013776157 - 2⁶ = 845013776093 is a prime.

It is a super-2 number, since 2×845013776157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845013776137) 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, 174515088 + ... + 174519929.

It is an arithmetic number, because the mean of its divisors is an integer number (102092742765).

Almost surely, 2^845013776157 is an apocalyptic number.

It is an amenable number.

845013776157 is a deficient number, since it is larger than the sum of its proper divisors (380099137023).

845013776157 is a wasteful number, since it uses less digits than its factorization.

845013776157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349035292 (or 349035289 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 845013776157 in words is "eight hundred forty-five billion, thirteen million, seven hundred seventy-six thousand, one hundred fifty-seven".