14400242 has 4 divisors (see below), whose sum is σ = 21600366. Its totient is φ = 7200120.

The previous prime is 14400223. The next prime is 14400247. The reversal of 14400242 is 24200441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24200441 = 47 ⋅514903.

It can be written as a sum of positive squares in only one way, i.e., 14371681 + 28561 = 3791^2 + 169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14400242.

It is not an unprimeable number, because it can be changed into a prime (14400247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600059 + ... + 3600062.

Almost surely, 2^14400242 is an apocalyptic number.

14400242 is a deficient number, since it is larger than the sum of its proper divisors (7200124).

14400242 is an equidigital number, since it uses as much as digits as its factorization.

14400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200123.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 14400242 is about 3794.7650783678. The cubic root of 14400242 is about 243.2894426791.

Adding to 14400242 its reverse (24200441), we get a palindrome (38600683).

The spelling of 14400242 in words is "fourteen million, four hundred thousand, two hundred forty-two".