24450157 has 2 divisors, whose sum is σ = 24450158. Its totient is φ = 24450156.

The previous prime is 24450137. The next prime is 24450191. The reversal of 24450157 is 75105442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23629321 + 820836 = 4861^2 + 906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24450157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24450137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12225078 + 12225079.

It is an arithmetic number, because the mean of its divisors is an integer number (12225079).

Almost surely, 2^24450157 is an apocalyptic number.

It is an amenable number.

24450157 is a deficient number, since it is larger than the sum of its proper divisors (1).

24450157 is an equidigital number, since it uses as much as digits as its factorization.

24450157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 24450157 is about 4944.7100016078. The cubic root of 24450157 is about 290.2421956112.

Adding to 24450157 its reverse (75105442), we get a palindrome (99555599).

The spelling of 24450157 in words is "twenty-four million, four hundred fifty thousand, one hundred fifty-seven".