11142154 has 4 divisors (see below), whose sum is σ = 16713234. Its totient is φ = 5571076.

The previous prime is 11142107. The next prime is 11142181. The reversal of 11142154 is 45124111.

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

It can be written as a sum of positive squares in only one way, i.e., 7436529 + 3705625 = 2727^2 + 1925^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785537 + ... + 2785540.

Almost surely, 2^11142154 is an apocalyptic number.

11142154 is a deficient number, since it is larger than the sum of its proper divisors (5571080).

11142154 is an equidigital number, since it uses as much as digits as its factorization.

11142154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571079.

The product of its digits is 160, while the sum is 19.

The square root of 11142154 is about 3337.9865188464. The cubic root of 11142154 is about 223.3519347888.

Adding to 11142154 its reverse (45124111), we get a palindrome (56266265).

The spelling of 11142154 in words is "eleven million, one hundred forty-two thousand, one hundred fifty-four".