140223434445 has 128 divisors (see below), whose sum is σ = 261952327680. Its totient is φ = 71081349120.

The previous prime is 140223434431. The next prime is 140223434453. The reversal of 140223434445 is 544434322041.

140223434445 is a `hidden beast` number, since 1 + 40 + 2 + 234 + 344 + 45 = 666.

It is not a de Polignac number, because 140223434445 - 2⁵ = 140223434413 is a prime.

It is a super-2 number, since 2×140223434445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 84624057 + ... + 84625713.

It is an arithmetic number, because the mean of its divisors is an integer number (2046502560).

Almost surely, 2^140223434445 is an apocalyptic number.

140223434445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140223434445 is a deficient number, since it is larger than the sum of its proper divisors (121728893235).

140223434445 is a wasteful number, since it uses less digits than its factorization.

140223434445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 140223434445 its reverse (544434322041), we get a palindrome (684657756486).

The spelling of 140223434445 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-five".