4985145 has 48 divisors (see below), whose sum is σ = 9801792. Its totient is φ = 2410560.

The previous prime is 4985107. The next prime is 4985159. The reversal of 4985145 is 5415894.

It is not a de Polignac number, because 4985145 - 2⁶ = 4985081 is a prime.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13179 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (204204).

Almost surely, 2^4985145 is an apocalyptic number.

4985145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4985145 is a deficient number, since it is larger than the sum of its proper divisors (4816647).

4985145 is a wasteful number, since it uses less digits than its factorization.

4985145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 392 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4985145 is about 2232.7438276703. The cubic root of 4985145 is about 170.8280820648.

The spelling of 4985145 in words is "four million, nine hundred eighty-five thousand, one hundred forty-five".