140204005445 has 32 divisors (see below), whose sum is σ = 193448134656. Its totient is φ = 95557320000.

The previous prime is 140204005441. The next prime is 140204005483. The reversal of 140204005445 is 544500402041.

It is not a de Polignac number, because 140204005445 - 2² = 140204005441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140204005441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4261910 + ... + 4294680.

It is an arithmetic number, because the mean of its divisors is an integer number (6045254208).

Almost surely, 2^140204005445 is an apocalyptic number.

It is an amenable number.

140204005445 is a deficient number, since it is larger than the sum of its proper divisors (53244129211).

140204005445 is a wasteful number, since it uses less digits than its factorization.

140204005445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33521.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 140204005445 its reverse (544500402041), we get a palindrome (684704407486).

The spelling of 140204005445 in words is "one hundred forty billion, two hundred four million, five thousand, four hundred forty-five".