945555105 has 24 divisors (see below), whose sum is σ = 1662929856. Its totient is φ = 458450080.

The previous prime is 945555097. The next prime is 945555109. The reversal of 945555105 is 501555549.

It is not a de Polignac number, because 945555105 - 2³ = 945555097 is a prime.

It is a super-2 number, since 2×945555105² = 1788148913183122050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (945555109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258669 + ... + 262298.

It is an arithmetic number, because the mean of its divisors is an integer number (69288744).

Almost surely, 2^945555105 is an apocalyptic number.

It is an amenable number.

945555105 is a deficient number, since it is larger than the sum of its proper divisors (717374751).

945555105 is a wasteful number, since it uses less digits than its factorization.

945555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520997 (or 520986 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 945555105 is about 30749.8797558625. The cubic root of 945555105 is about 981.5120020345.

The spelling of 945555105 in words is "nine hundred forty-five million, five hundred fifty-five thousand, one hundred five".