245303743 has 4 divisors (see below), whose sum is σ = 245381400. Its totient is φ = 245226088.

The previous prime is 245303633. The next prime is 245303749. The reversal of 245303743 is 347303542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245303743 - 2⁹ = 245303231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245303749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33880 + ... + 40477.

It is an arithmetic number, because the mean of its divisors is an integer number (61345350).

Almost surely, 2^245303743 is an apocalyptic number.

245303743 is a deficient number, since it is larger than the sum of its proper divisors (77657).

245303743 is an equidigital number, since it uses as much as digits as its factorization.

245303743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77656.

The product of its (nonzero) digits is 30240, while the sum is 31.

The square root of 245303743 is about 15662.1755513083. The cubic root of 245303743 is about 625.9909553416.

The spelling of 245303743 in words is "two hundred forty-five million, three hundred three thousand, seven hundred forty-three".