845986454 has 8 divisors (see below), whose sum is σ = 1269425520. Its totient is φ = 422844616.

The previous prime is 845986451. The next prime is 845986469. The reversal of 845986454 is 454689548.

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 = 845986396 and 845986405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845986451) 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, 67049 + ... + 78660.

It is an arithmetic number, because the mean of its divisors is an integer number (158678190).

Almost surely, 2^845986454 is an apocalyptic number.

845986454 is a deficient number, since it is larger than the sum of its proper divisors (423439066).

845986454 is a wasteful number, since it uses less digits than its factorization.

845986454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148614.

The product of its digits is 5529600, while the sum is 53.

The square root of 845986454 is about 29085.8462830291. The cubic root of 845986454 is about 945.7749413586.

The spelling of 845986454 in words is "eight hundred forty-five million, nine hundred eighty-six thousand, four hundred fifty-four".