845494655 has 4 divisors (see below), whose sum is σ = 1014593592. Its totient is φ = 676395720.

The previous prime is 845494649. The next prime is 845494667. The reversal of 845494655 is 556494548.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 845494655 - 2⁸ = 845494399 is a prime.

It is a super-2 number, since 2×845494655² = 1429722423267138050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84549461 + ... + 84549470.

It is an arithmetic number, because the mean of its divisors is an integer number (253648398).

Almost surely, 2^845494655 is an apocalyptic number.

845494655 is a deficient number, since it is larger than the sum of its proper divisors (169098937).

845494655 is a wasteful number, since it uses less digits than its factorization.

845494655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169098936.

The product of its digits is 3456000, while the sum is 50.

The square root of 845494655 is about 29077.3907873454. The cubic root of 845494655 is about 945.5916360866.

The spelling of 845494655 in words is "eight hundred forty-five million, four hundred ninety-four thousand, six hundred fifty-five".