4999545 has 24 divisors (see below), whose sum is σ = 8720712. Its totient is φ = 2649600.

The previous prime is 4999537. The next prime is 4999559. The reversal of 4999545 is 5459994.

It can be written as a sum of positive squares in 4 ways, for example, as 627264 + 4372281 = 792^2 + 2091^2 .

It is not a de Polignac number, because 4999545 - 2³ = 4999537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4999545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10615 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (363363).

Almost surely, 2^4999545 is an apocalyptic number.

4999545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4999545 is a deficient number, since it is larger than the sum of its proper divisors (3721167).

4999545 is a wasteful number, since it uses less digits than its factorization.

4999545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 710 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 4999545 is about 2235.9662340921. The cubic root of 4999545 is about 170.9924075833.

The spelling of 4999545 in words is "four million, nine hundred ninety-nine thousand, five hundred forty-five".