112146640 has 40 divisors (see below), whose sum is σ = 261186408. Its totient is φ = 44782080.

The previous prime is 112146599. The next prime is 112146641. The reversal of 112146640 is 46641211.

It can be written as a sum of positive squares in 4 ways, for example, as 46730896 + 65415744 = 6836^2 + 8088^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112146641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80994 + ... + 82366.

Almost surely, 2^112146640 is an apocalyptic number.

112146640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112146640 is an abundant number, since it is smaller than the sum of its proper divisors (149039768).

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

112146640 is a wasteful number, since it uses less digits than its factorization.

112146640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 112146640 is about 10589.9310668200. The cubic root of 112146640 is about 482.2387320789.

Adding to 112146640 its reverse (46641211), we get a palindrome (158787851).

The spelling of 112146640 in words is "one hundred twelve million, one hundred forty-six thousand, six hundred forty".