24040145 has 8 divisors (see below), whose sum is σ = 29552040. Its totient is φ = 18762880.

The previous prime is 24040127. The next prime is 24040147. The reversal of 24040145 is 54104042.

It can be written as a sum of positive squares in 4 ways, for example, as 1723969 + 22316176 = 1313^2 + 4724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 24040145 - 2¹⁰ = 24039121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24040147) 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, 58430 + ... + 58839.

It is an arithmetic number, because the mean of its divisors is an integer number (3694005).

Almost surely, 2^24040145 is an apocalyptic number.

It is an amenable number.

24040145 is a deficient number, since it is larger than the sum of its proper divisors (5511895).

24040145 is a wasteful number, since it uses less digits than its factorization.

24040145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117315.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 24040145 is about 4903.0750555136. The cubic root of 24040145 is about 288.6106553287.

Adding to 24040145 its reverse (54104042), we get a palindrome (78144187).

The spelling of 24040145 in words is "twenty-four million, forty thousand, one hundred forty-five".