10305145 has 16 divisors (see below), whose sum is σ = 13417488. Its totient is φ = 7567360.

The previous prime is 10305137. The next prime is 10305149. The reversal of 10305145 is 54150301.

It can be written as a sum of positive squares in 8 ways, for example, as 1382976 + 8922169 = 1176^2 + 2987^2 .

It is not a de Polignac number, because 10305145 - 2³ = 10305137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10305149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (838593).

Almost surely, 2^10305145 is an apocalyptic number.

It is an amenable number.

10305145 is a deficient number, since it is larger than the sum of its proper divisors (3112343).

10305145 is a wasteful number, since it uses less digits than its factorization.

10305145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10305145 is about 3210.1627684589. The cubic root of 10305145 is about 217.6129329400.

Adding to 10305145 its reverse (54150301), we get a palindrome (64455446).

The spelling of 10305145 in words is "ten million, three hundred five thousand, one hundred forty-five".