4915145 has 8 divisors (see below), whose sum is σ = 5917704. Its totient is φ = 3919104.

The previous prime is 4915139. The next prime is 4915147. The reversal of 4915145 is 5415194.

It can be written as a sum of positive squares in 4 ways, for example, as 1459264 + 3455881 = 1208^2 + 1859^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4915145 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4915147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 3143.

It is an arithmetic number, because the mean of its divisors is an integer number (739713).

Almost surely, 2^4915145 is an apocalyptic number.

It is an amenable number.

4915145 is a deficient number, since it is larger than the sum of its proper divisors (1002559).

4915145 is a wasteful number, since it uses less digits than its factorization.

4915145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259.

The product of its digits is 3600, while the sum is 29.

The square root of 4915145 is about 2217.0126296438. The cubic root of 4915145 is about 170.0247368848.

The spelling of 4915145 in words is "four million, nine hundred fifteen thousand, one hundred forty-five".