4999145 has 8 divisors (see below), whose sum is σ = 6035904. Its totient is φ = 3974704.

The previous prime is 4999121. The next prime is 4999151. The reversal of 4999145 is 5419994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4999145 - 2⁶ = 4999081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (754488).

Almost surely, 2^4999145 is an apocalyptic number.

It is an amenable number.

4999145 is a deficient number, since it is larger than the sum of its proper divisors (1036759).

4999145 is a wasteful number, since it uses less digits than its factorization.

4999145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159.

The product of its digits is 58320, while the sum is 41.

The square root of 4999145 is about 2235.8767855139. The cubic root of 4999145 is about 170.9878472491.

The spelling of 4999145 in words is "four million, nine hundred ninety-nine thousand, one hundred forty-five".