845152552 has 16 divisors (see below), whose sum is σ = 1677876660. Its totient is φ = 397718784.

The previous prime is 845152541. The next prime is 845152559. The reversal of 845152552 is 255251548.

It can be written as a sum of positive squares in 2 ways, for example, as 842508676 + 2643876 = 29026^2 + 1626^2 .

It is a super-2 number, since 2×845152552² = 1428565672304225408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (845152559) 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, 3107043 + ... + 3107314.

Almost surely, 2^845152552 is an apocalyptic number.

It is an amenable number.

845152552 is a deficient number, since it is larger than the sum of its proper divisors (832724108).

845152552 is a wasteful number, since it uses less digits than its factorization.

845152552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214380 (or 6214376 counting only the distinct ones).

The product of its digits is 80000, while the sum is 37.

The square root of 845152552 is about 29071.5075632482. The cubic root of 845152552 is about 945.4640841762.

The spelling of 845152552 in words is "eight hundred forty-five million, one hundred fifty-two thousand, five hundred fifty-two".