11424157 has 4 divisors (see below), whose sum is σ = 11732956. Its totient is φ = 11115360.

The previous prime is 11424137. The next prime is 11424209. The reversal of 11424157 is 75142411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9665881 + 1758276 = 3109^2 + 1326^2 .

It is a cyclic number.

It is not a de Polignac number, because 11424157 - 2⁷ = 11424029 is a prime.

It is a super-2 number, since 2×11424157² = 261022726321298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424107) 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 in 3 ways as a sum of consecutive naturals, for example, 154344 + ... + 154417.

It is an arithmetic number, because the mean of its divisors is an integer number (2933239).

Almost surely, 2^11424157 is an apocalyptic number.

It is an amenable number.

11424157 is a deficient number, since it is larger than the sum of its proper divisors (308799).

11424157 is an equidigital number, since it uses as much as digits as its factorization.

11424157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308798.

The product of its digits is 1120, while the sum is 25.

The square root of 11424157 is about 3379.9640530633. The cubic root of 11424157 is about 225.2205705324.

Adding to 11424157 its reverse (75142411), we get a palindrome (86566568).

The spelling of 11424157 in words is "eleven million, four hundred twenty-four thousand, one hundred fifty-seven".