4945105 has 16 divisors (see below), whose sum is σ = 6614784. Its totient is φ = 3518080.

The previous prime is 4945103. The next prime is 4945121. The reversal of 4945105 is 5015494.

It is not a de Polignac number, because 4945105 - 2¹ = 4945103 is a prime.

It is a super-2 number, since 2×4945105² = 48908126922050, which contains 22 as substring.

It is an Ulam number.

4945105 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4945103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (413424).

Almost surely, 2^4945105 is an apocalyptic number.

It is an amenable number.

4945105 is a deficient number, since it is larger than the sum of its proper divisors (1669679).

4945105 is a wasteful number, since it uses less digits than its factorization.

4945105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4945105 is about 2223.7592045903. The cubic root of 4945105 is about 170.3694962002.

It can be divided in two parts, 494510 and 5, that added together give a triangular number (494515 = T₉₉₄).

The spelling of 4945105 in words is "four million, nine hundred forty-five thousand, one hundred five".