240109453 has 2 divisors, whose sum is σ = 240109454. Its totient is φ = 240109452.

The previous prime is 240109447. The next prime is 240109459. The reversal of 240109453 is 354901042.

It is a balanced prime because it is at equal distance from previous prime (240109447) and next prime (240109459).

It can be written as a sum of positive squares in only one way, i.e., 211615209 + 28494244 = 14547^2 + 5338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240109453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240109459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120054726 + 120054727.

It is an arithmetic number, because the mean of its divisors is an integer number (120054727).

Almost surely, 2^240109453 is an apocalyptic number.

It is an amenable number.

240109453 is a deficient number, since it is larger than the sum of its proper divisors (1).

240109453 is an equidigital number, since it uses as much as digits as its factorization.

240109453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 240109453 is about 15495.4655625444. The cubic root of 240109453 is about 621.5409579218.

The spelling of 240109453 in words is "two hundred forty million, one hundred nine thousand, four hundred fifty-three".