140552205645 has 16 divisors (see below), whose sum is σ = 224888186880. Its totient is φ = 74959623744.

The previous prime is 140552205637. The next prime is 140552205683. The reversal of 140552205645 is 546502255041.

It is not a de Polignac number, because 140552205645 - 2³ = 140552205637 is a prime.

It is a super-3 number, since 3×140552205645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301667 + ... + 1405503.

It is an arithmetic number, because the mean of its divisors is an integer number (14055511680).

Almost surely, 2^140552205645 is an apocalyptic number.

140552205645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140552205645 is a deficient number, since it is larger than the sum of its proper divisors (84335981235).

140552205645 is a wasteful number, since it uses less digits than its factorization.

140552205645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194084.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 140552205645 in words is "one hundred forty billion, five hundred fifty-two million, two hundred five thousand, six hundred forty-five".