23766145 has 16 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 17406144.

The previous prime is 23766139. The next prime is 23766163. The reversal of 23766145 is 54166732.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23766145 - 2⁹ = 23765633 is a prime.

It is a super-2 number, since 2×23766145² = 1129659296322050, which contains 22 as substring.

23766145 is a Rhonda number in base 10.

Its product of digits (30240) is a multiple of the sum of its prime divisors (3024).

It is a self number, because there is not a number n which added to its sum of digits gives 23766145.

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, 6816 + ... + 9694.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^23766145 is an apocalyptic number.

It is an amenable number.

23766145 is a deficient number, since it is larger than the sum of its proper divisors (7199615).

23766145 is a wasteful number, since it uses less digits than its factorization.

23766145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024.

The product of its digits is 30240, while the sum is 34.

The square root of 23766145 is about 4875.0533330416. The cubic root of 23766145 is about 287.5099731890.

The spelling of 23766145 in words is "twenty-three million, seven hundred sixty-six thousand, one hundred forty-five".