140545434545 has 8 divisors (see below), whose sum is σ = 174094990080. Its totient is φ = 108809368560.

The previous prime is 140545434493. The next prime is 140545434569. The reversal of 140545434545 is 545434545041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140545434545 - 2¹⁰ = 140545433521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140545434496 and 140545434505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453372215 + ... + 453372524.

It is an arithmetic number, because the mean of its divisors is an integer number (21761873760).

Almost surely, 2^140545434545 is an apocalyptic number.

It is an amenable number.

140545434545 is a deficient number, since it is larger than the sum of its proper divisors (33549555535).

140545434545 is an equidigital number, since it uses as much as digits as its factorization.

140545434545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906744775.

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 140545434545 its reverse (545434545041), we get a palindrome (685979979586).

The spelling of 140545434545 in words is "one hundred forty billion, five hundred forty-five million, four hundred thirty-four thousand, five hundred forty-five".