140043045 has 16 divisors (see below), whose sum is σ = 229280832. Its totient is φ = 72952320.

The previous prime is 140043037. The next prime is 140043073. The reversal of 140043045 is 540340041.

It is not a de Polignac number, because 140043045 - 2³ = 140043037 is a prime.

It is a super-2 number, since 2×140043045² = 39224108905744050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107916 + ... + 109205.

It is an arithmetic number, because the mean of its divisors is an integer number (14330052).

Almost surely, 2^140043045 is an apocalyptic number.

140043045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140043045 is a deficient number, since it is larger than the sum of its proper divisors (89237787).

140043045 is a wasteful number, since it uses less digits than its factorization.

140043045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217172.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140043045 is about 11833.9784096474. The cubic root of 140043045 is about 519.3026216149.

Adding to 140043045 its reverse (540340041), we get a palindrome (680383086).

The spelling of 140043045 in words is "one hundred forty million, forty-three thousand, forty-five".