245345743 has 2 divisors, whose sum is σ = 245345744. Its totient is φ = 245345742.

The previous prime is 245345741. The next prime is 245345747. The reversal of 245345743 is 347543542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245345743 - 2¹ = 245345741 is a prime.

Together with 245345741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245345741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122672871 + 122672872.

It is an arithmetic number, because the mean of its divisors is an integer number (122672872).

Almost surely, 2^245345743 is an apocalyptic number.

245345743 is a deficient number, since it is larger than the sum of its proper divisors (1).

245345743 is an equidigital number, since it uses as much as digits as its factorization.

245345743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 37.

The square root of 245345743 is about 15663.5163038189. The cubic root of 245345743 is about 626.0266799219.

The spelling of 245345743 in words is "two hundred forty-five million, three hundred forty-five thousand, seven hundred forty-three".