140044345 has 32 divisors (see below), whose sum is σ = 203385600. Its totient is φ = 90429696.

The previous prime is 140044343. The next prime is 140044367. The reversal of 140044345 is 543440041.

It is not a de Polignac number, because 140044345 - 2¹ = 140044343 is a prime.

It is a super-2 number, since 2×140044345² = 39224837132958050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140044343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130471 + ... + 131539.

It is an arithmetic number, because the mean of its divisors is an integer number (6355800).

Almost surely, 2^140044345 is an apocalyptic number.

It is an amenable number.

140044345 is a deficient number, since it is larger than the sum of its proper divisors (63341255).

140044345 is a wasteful number, since it uses less digits than its factorization.

140044345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140044345 is about 11834.0333361031. The cubic root of 140044345 is about 519.3042284812.

Adding to 140044345 its reverse (543440041), we get a palindrome (683484386).

The spelling of 140044345 in words is "one hundred forty million, forty-four thousand, three hundred forty-five".