8101145 has 8 divisors (see below), whose sum is σ = 10469256. Its totient is φ = 5982336.

The previous prime is 8101133. The next prime is 8101147. The reversal of 8101145 is 5411018.

It can be written as a sum of positive squares in 4 ways, for example, as 1485961 + 6615184 = 1219^2 + 2572^2 .

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 8101145 - 2⁶ = 8101081 is a prime.

It is a super-2 number, since 2×8101145² = 131257100622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8101147) 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, 62252 + ... + 62381.

It is an arithmetic number, because the mean of its divisors is an integer number (1308657).

Almost surely, 2^8101145 is an apocalyptic number.

It is an amenable number.

8101145 is a deficient number, since it is larger than the sum of its proper divisors (2368111).

8101145 is a wasteful number, since it uses less digits than its factorization.

8101145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124651.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 8101145 is about 2846.2510430389. The cubic root of 8101145 is about 200.8393475507.

The spelling of 8101145 in words is "eight million, one hundred one thousand, one hundred forty-five".