24742145 has 16 divisors (see below), whose sum is σ = 30326400. Its totient is φ = 19375104.

The previous prime is 24742129. The next prime is 24742153. The reversal of 24742145 is 54124742.

It is a cyclic number.

It is not a de Polignac number, because 24742145 - 2⁴ = 24742129 is a prime.

It is a super-2 number, since 2×24742145² = 1224347478402050, which contains 22 as substring.

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, 54881 + ... + 55329.

It is an arithmetic number, because the mean of its divisors is an integer number (1895400).

Almost surely, 2^24742145 is an apocalyptic number.

It is an amenable number.

24742145 is a deficient number, since it is larger than the sum of its proper divisors (5584255).

24742145 is a wasteful number, since it uses less digits than its factorization.

24742145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its digits is 8960, while the sum is 29.

The square root of 24742145 is about 4974.1476656810. The cubic root of 24742145 is about 291.3930008100.

Adding to 24742145 its reverse (54124742), we get a palindrome (78866887).

The spelling of 24742145 in words is "twenty-four million, seven hundred forty-two thousand, one hundred forty-five".