140864453 has 2 divisors, whose sum is σ = 140864454. Its totient is φ = 140864452.

The previous prime is 140864441. The next prime is 140864459. The reversal of 140864453 is 354468041.

140864453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123165604 + 17698849 = 11098^2 + 4207^2 .

It is a cyclic number.

It is not a de Polignac number, because 140864453 - 2⁶ = 140864389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140864459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70432226 + 70432227.

It is an arithmetic number, because the mean of its divisors is an integer number (70432227).

Almost surely, 2^140864453 is an apocalyptic number.

It is an amenable number.

140864453 is a deficient number, since it is larger than the sum of its proper divisors (1).

140864453 is an equidigital number, since it uses as much as digits as its factorization.

140864453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 140864453 is about 11868.6331563496. The cubic root of 140864453 is about 520.3159482792.

The spelling of 140864453 in words is "one hundred forty million, eight hundred sixty-four thousand, four hundred fifty-three".