4887145 has 8 divisors (see below), whose sum is σ = 6023304. Its totient is φ = 3803904.

The previous prime is 4887139. The next prime is 4887149. The reversal of 4887145 is 5417884.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 4272489 = 784^2 + 2067^2 .

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 4887145 - 2¹⁹ = 4362857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (4887149) 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, 13024 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (752913).

Almost surely, 2^4887145 is an apocalyptic number.

It is an amenable number.

4887145 is a deficient number, since it is larger than the sum of its proper divisors (1136159).

4887145 is a wasteful number, since it uses less digits than its factorization.

4887145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26459.

The product of its digits is 35840, while the sum is 37.

The square root of 4887145 is about 2210.6888066845. The cubic root of 4887145 is about 169.7012631183.

The spelling of 4887145 in words is "four million, eight hundred eighty-seven thousand, one hundred forty-five".