3101145 has 16 divisors (see below), whose sum is σ = 5026560. Its totient is φ = 1632384.

The previous prime is 3101143. The next prime is 3101149. The reversal of 3101145 is 5411013.

It is not a de Polignac number, because 3101145 - 2¹ = 3101143 is a prime.

It is a super-2 number, since 2×3101145² = 19234200622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

3101145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (314160).

Almost surely, 2^3101145 is an apocalyptic number.

It is an amenable number.

3101145 is a deficient number, since it is larger than the sum of its proper divisors (1925415).

3101145 is a wasteful number, since it uses less digits than its factorization.

3101145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 3101145 is about 1761.0068142969. The cubic root of 3101145 is about 145.8279232460.

Adding to 3101145 its reverse (5411013), we get a palindrome (8512158).

The spelling of 3101145 in words is "three million, one hundred one thousand, one hundred forty-five".