23466145 has 16 divisors (see below), whose sum is σ = 29130192. Its totient is φ = 18135040.

The previous prime is 23466127. The next prime is 23466167. The reversal of 23466145 is 54166432.

It can be written as a sum of positive squares in 8 ways, for example, as 17648401 + 5817744 = 4201^2 + 2412^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23466145 is a prime.

It is a super-2 number, since 2×23466145² = 1101319922322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22659 + ... + 23671.

It is an arithmetic number, because the mean of its divisors is an integer number (1820637).

Almost surely, 2^23466145 is an apocalyptic number.

It is an amenable number.

23466145 is a deficient number, since it is larger than the sum of its proper divisors (5664047).

23466145 is a wasteful number, since it uses less digits than its factorization.

23466145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its digits is 17280, while the sum is 31.

The square root of 23466145 is about 4844.1867222476. The cubic root of 23466145 is about 286.2951010469.

The spelling of 23466145 in words is "twenty-three million, four hundred sixty-six thousand, one hundred forty-five".