140045434015 has 4 divisors (see below), whose sum is σ = 168054520824. Its totient is φ = 112036347208.

The previous prime is 140045433991. The next prime is 140045434043. The reversal of 140045434015 is 510434540041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140045434015 is a prime.

It is a super-2 number, since 2×140045434015² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14004543397 + ... + 14004543406.

It is an arithmetic number, because the mean of its divisors is an integer number (42013630206).

Almost surely, 2^140045434015 is an apocalyptic number.

140045434015 is a deficient number, since it is larger than the sum of its proper divisors (28009086809).

140045434015 is an equidigital number, since it uses as much as digits as its factorization.

140045434015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28009086808.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 140045434015 its reverse (510434540041), we get a palindrome (650479974056).

The spelling of 140045434015 in words is "one hundred forty billion, forty-five million, four hundred thirty-four thousand, fifteen".