140043453 has 16 divisors (see below), whose sum is σ = 206572032. Its totient is φ = 83678000.

The previous prime is 140043451. The next prime is 140043457. The reversal of 140043453 is 354340041.

140043453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140043453 - 2¹ = 140043451 is a prime.

It is a super-2 number, since 2×140043453² = 39224337456326418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043451) 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, 27543 + ... + 32228.

It is an arithmetic number, because the mean of its divisors is an integer number (12910752).

Almost surely, 2^140043453 is an apocalyptic number.

It is an amenable number.

140043453 is a deficient number, since it is larger than the sum of its proper divisors (66528579).

140043453 is a wasteful number, since it uses less digits than its factorization.

140043453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59856.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140043453 is about 11833.9956481317. The cubic root of 140043453 is about 519.3031259248.

Adding to 140043453 its reverse (354340041), we get a palindrome (494383494).

The spelling of 140043453 in words is "one hundred forty million, forty-three thousand, four hundred fifty-three".