4201145 has 8 divisors (see below), whose sum is σ = 5429256. Its totient is φ = 3102336.

The previous prime is 4201123. The next prime is 4201177. The reversal of 4201145 is 5411024.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 4108729 = 304^2 + 2027^2 .

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 4201145 - 2¹⁶ = 4135609 is a prime.

It is a super-2 number, since 2×4201145² = 35299238622050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian 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, 32252 + ... + 32381.

It is an arithmetic number, because the mean of its divisors is an integer number (678657).

Almost surely, 2^4201145 is an apocalyptic number.

It is an amenable number.

4201145 is a deficient number, since it is larger than the sum of its proper divisors (1228111).

4201145 is a wasteful number, since it uses less digits than its factorization.

4201145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64651.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4201145 is about 2049.6694855513. The cubic root of 4201145 is about 161.3575249830.

Adding to 4201145 its reverse (5411024), we get a palindrome (9612169).

The spelling of 4201145 in words is "four million, two hundred one thousand, one hundred forty-five".