4140745 has 12 divisors (see below), whose sum is σ = 5780484. Its totient is φ = 2839200.

The previous prime is 4140733. The next prime is 4140749. The reversal of 4140745 is 5470414.

It can be written as a sum of positive squares in 2 ways, for example, as 3286969 + 853776 = 1813^2 + 924^2 .

It is not a de Polignac number, because 4140745 - 2¹³ = 4132553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4140749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8206 + ... + 8695.

It is an arithmetic number, because the mean of its divisors is an integer number (481707).

Almost surely, 2^4140745 is an apocalyptic number.

It is an amenable number.

4140745 is a deficient number, since it is larger than the sum of its proper divisors (1639739).

4140745 is a wasteful number, since it uses less digits than its factorization.

4140745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16920 (or 16913 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 4140745 is about 2034.8820604644. The cubic root of 4140745 is about 160.5805084524.

The spelling of 4140745 in words is "four million, one hundred forty thousand, seven hundred forty-five".