11472142 has 32 divisors (see below), whose sum is σ = 19603584. Its totient is φ = 4989600.

The previous prime is 11472133. The next prime is 11472157. The reversal of 11472142 is 24127411.

11472142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11472142² = 263220084136328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63292 + ... + 63472.

It is an arithmetic number, because the mean of its divisors is an integer number (612612).

Almost surely, 2^11472142 is an apocalyptic number.

11472142 is a deficient number, since it is larger than the sum of its proper divisors (8131442).

11472142 is a wasteful number, since it uses less digits than its factorization.

11472142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 448, while the sum is 22.

The square root of 11472142 is about 3387.0550630304. The cubic root of 11472142 is about 225.5354621279.

Adding to 11472142 its reverse (24127411), we get a palindrome (35599553).

The spelling of 11472142 in words is "eleven million, four hundred seventy-two thousand, one hundred forty-two".