11478142 has 24 divisors (see below), whose sum is σ = 19302840. Its totient is φ = 5110560.

The previous prime is 11478101. The next prime is 11478143. The reversal of 11478142 is 24187411.

It is a self number, because there is not a number n which added to its sum of digits gives 11478142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9217 + ... + 10387.

It is an arithmetic number, because the mean of its divisors is an integer number (804285).

Almost surely, 2^11478142 is an apocalyptic number.

11478142 is a deficient number, since it is larger than the sum of its proper divisors (7824698).

11478142 is a wasteful number, since it uses less digits than its factorization.

11478142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1215 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 11478142 is about 3387.9406724440. The cubic root of 11478142 is about 225.5747740812.

The spelling of 11478142 in words is "eleven million, four hundred seventy-eight thousand, one hundred forty-two".