4140245 has 8 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 3298000.

The previous prime is 4140217. The next prime is 4140259. The reversal of 4140245 is 5420414.

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

It is not a de Polignac number, because 4140245 - 2¹⁰ = 4139221 is a prime.

It is a Curzon number.

It is a congruent 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, 395 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^4140245 is an apocalyptic number.

It is an amenable number.

4140245 is a deficient number, since it is larger than the sum of its proper divisors (849355).

4140245 is a wasteful number, since it uses less digits than its factorization.

4140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4140245 is about 2034.7591995123. The cubic root of 4140245 is about 160.5740447616.

Adding to 4140245 its reverse (5420414), we get a palindrome (9560659).

The spelling of 4140245 in words is "four million, one hundred forty thousand, two hundred forty-five".