4387145 has 16 divisors (see below), whose sum is σ = 6061440. Its totient is φ = 2985984.

The previous prime is 4387133. The next prime is 4387147. The reversal of 4387145 is 5417834.

It is a cyclic number.

It is not a de Polignac number, because 4387145 - 2¹⁴ = 4370761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4387147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5321 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (378840).

Almost surely, 2^4387145 is an apocalyptic number.

It is an amenable number.

4387145 is a deficient number, since it is larger than the sum of its proper divisors (1674295).

4387145 is a wasteful number, since it uses less digits than its factorization.

4387145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 13440, while the sum is 32.

The square root of 4387145 is about 2094.5512645911. The cubic root of 4387145 is about 163.7045170184.

The spelling of 4387145 in words is "four million, three hundred eighty-seven thousand, one hundred forty-five".