140445426 has 24 divisors (see below), whose sum is σ = 308749392. Its totient is φ = 42559000.

The previous prime is 140445391. The next prime is 140445433. The reversal of 140445426 is 624544041.

It is a happy number.

140445426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 140445393 and 140445402.

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, 96000 + ... + 97451.

It is an arithmetic number, because the mean of its divisors is an integer number (12864558).

Almost surely, 2^140445426 is an apocalyptic number.

140445426 is an abundant number, since it is smaller than the sum of its proper divisors (168303966).

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

140445426 is a wasteful number, since it uses less digits than its factorization.

140445426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193478 (or 193467 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 140445426 is about 11850.9673022922. The cubic root of 140445426 is about 519.7995109745.

Adding to 140445426 its reverse (624544041), we get a palindrome (764989467).

The spelling of 140445426 in words is "one hundred forty million, four hundred forty-five thousand, four hundred twenty-six".