11142342 has 12 divisors (see below), whose sum is σ = 24141780. Its totient is φ = 3714108.

The previous prime is 11142331. The next prime is 11142353. The reversal of 11142342 is 24324111.

It is an interprime number because it is at equal distance from previous prime (11142331) and next prime (11142353).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 619019 = 11142342 / (1 + 1 + 1 + 4 + 2 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309492 + ... + 309527.

It is an arithmetic number, because the mean of its divisors is an integer number (2011815).

Almost surely, 2^11142342 is an apocalyptic number.

11142342 is an abundant number, since it is smaller than the sum of its proper divisors (12999438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142342 is a wasteful number, since it uses less digits than its factorization.

11142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619027 (or 619024 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11142342 is about 3338.0146794165. The cubic root of 11142342 is about 223.3531909771.

Adding to 11142342 its reverse (24324111), we get a palindrome (35466453).

The spelling of 11142342 in words is "eleven million, one hundred forty-two thousand, three hundred forty-two".