140144020345 has 16 divisors (see below), whose sum is σ = 193470352128. Its totient is φ = 95462337600.

The previous prime is 140144020343. The next prime is 140144020363. The reversal of 140144020345 is 543020441041.

It is not a de Polignac number, because 140144020345 - 2¹ = 140144020343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140144020343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13253374 + ... + 13263943.

It is an arithmetic number, because the mean of its divisors is an integer number (12091897008).

Almost surely, 2^140144020345 is an apocalyptic number.

It is an amenable number.

140144020345 is a deficient number, since it is larger than the sum of its proper divisors (53326331783).

140144020345 is a wasteful number, since it uses less digits than its factorization.

140144020345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26517480.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 140144020345 its reverse (543020441041), we get a palindrome (683164461386).

The spelling of 140144020345 in words is "one hundred forty billion, one hundred forty-four million, twenty thousand, three hundred forty-five".