140846445 has 56 divisors (see below), whose sum is σ = 268432056. Its totient is φ = 70668288.

The previous prime is 140846441. The next prime is 140846491. The reversal of 140846445 is 544648041.

It is a happy number.

140846445 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 4 + 644 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 57562569 + 83283876 = 7587^2 + 9126^2 .

It is not a de Polignac number, because 140846445 - 2² = 140846441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140846441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 60829 + ... + 63101.

Almost surely, 2^140846445 is an apocalyptic number.

140846445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140846445 is a deficient number, since it is larger than the sum of its proper divisors (127585611).

140846445 is an equidigital number, since it uses as much as digits as its factorization.

140846445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 140846445 is about 11867.8744937752. The cubic root of 140846445 is about 520.2937750749.

The spelling of 140846445 in words is "one hundred forty million, eight hundred forty-six thousand, four hundred forty-five".