140045120 has 28 divisors (see below), whose sum is σ = 333483204. Its totient is φ = 56017920.

The previous prime is 140045093. The next prime is 140045123. The reversal of 140045120 is 21540041.

It can be written as a sum of positive squares in 2 ways, for example, as 44943616 + 95101504 = 6704^2 + 9752^2 .

It is a super-2 number, since 2×140045120² = 39225271271628800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218501 + ... + 219140.

Almost surely, 2^140045120 is an apocalyptic number.

140045120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140045120 is an abundant number, since it is smaller than the sum of its proper divisors (193438084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140045120 is an equidigital number, since it uses as much as digits as its factorization.

140045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437658 (or 437648 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140045120 is about 11834.0660805997. The cubic root of 140045120 is about 519.3051864159.

Adding to 140045120 its reverse (21540041), we get a palindrome (161585161).

The spelling of 140045120 in words is "one hundred forty million, forty-five thousand, one hundred twenty".