11451142 has 8 divisors (see below), whose sum is σ = 17208216. Its totient is φ = 5715072.

The previous prime is 11451137. The next prime is 11451157. The reversal of 11451142 is 24115411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11451142² = 262257306208328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3808 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (2151027).

Almost surely, 2^11451142 is an apocalyptic number.

11451142 is a deficient number, since it is larger than the sum of its proper divisors (5757074).

11451142 is an equidigital number, since it uses as much as digits as its factorization.

11451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502.

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

The square root of 11451142 is about 3383.9536048829. The cubic root of 11451142 is about 225.3977622523.

Adding to 11451142 its reverse (24115411), we get a palindrome (35566553).

The spelling of 11451142 in words is "eleven million, four hundred fifty-one thousand, one hundred forty-two".