15442114 has 4 divisors (see below), whose sum is σ = 23163174. Its totient is φ = 7721056.

The previous prime is 15442087. The next prime is 15442121. The reversal of 15442114 is 41124451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41124451 = 269 ⋅152879.

It can be written as a sum of positive squares in only one way, i.e., 15342889 + 99225 = 3917^2 + 315^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860527 + ... + 3860530.

Almost surely, 2^15442114 is an apocalyptic number.

15442114 is a deficient number, since it is larger than the sum of its proper divisors (7721060).

15442114 is an equidigital number, since it uses as much as digits as its factorization.

15442114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721059.

The product of its digits is 640, while the sum is 22.

The square root of 15442114 is about 3929.6455310880. The cubic root of 15442114 is about 249.0207775009.

Adding to 15442114 its reverse (41124451), we get a palindrome (56566565).

The spelling of 15442114 in words is "fifteen million, four hundred forty-two thousand, one hundred fourteen".