24949145 has 8 divisors (see below), whose sum is σ = 32242056. Its totient is φ = 18423936.

The previous prime is 24949139. The next prime is 24949189. The reversal of 24949145 is 54194942.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 24334489 = 784^2 + 4933^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 24949145 - 2⁴ = 24949129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24949099 and 24949108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191852 + ... + 191981.

It is an arithmetic number, because the mean of its divisors is an integer number (4030257).

Almost surely, 2^24949145 is an apocalyptic number.

It is an amenable number.

24949145 is a deficient number, since it is larger than the sum of its proper divisors (7292911).

24949145 is a wasteful number, since it uses less digits than its factorization.

24949145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383851.

The product of its digits is 51840, while the sum is 38.

The square root of 24949145 is about 4994.9119111352. The cubic root of 24949145 is about 292.2033713342.

It can be divided in two parts, 249 and 49145, that added together give a palindrome (49394).

The spelling of 24949145 in words is "twenty-four million, nine hundred forty-nine thousand, one hundred forty-five".