112143402 has 24 divisors (see below), whose sum is σ = 277688736. Its totient is φ = 32040936.

The previous prime is 112143397. The next prime is 112143419. The reversal of 112143402 is 204341211.

It is a super-2 number, since 2×112143402² = 25152285224267208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444888 + ... + 445139.

It is an arithmetic number, because the mean of its divisors is an integer number (11570364).

Almost surely, 2^112143402 is an apocalyptic number.

112143402 is an abundant number, since it is smaller than the sum of its proper divisors (165545334).

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

112143402 is a wasteful number, since it uses less digits than its factorization.

112143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890042 (or 890039 counting only the distinct ones).

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

The square root of 112143402 is about 10589.7781846458. The cubic root of 112143402 is about 482.2340908222.

Adding to 112143402 its reverse (204341211), we get a palindrome (316484613).

The spelling of 112143402 in words is "one hundred twelve million, one hundred forty-three thousand, four hundred two".