245303745 has 16 divisors (see below), whose sum is σ = 393771840. Its totient is φ = 130400064.

The previous prime is 245303633. The next prime is 245303749. The reversal of 245303745 is 547303542.

245303745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245303745 - 2¹⁷ = 245172673 is a prime.

It is a super-2 number, since 2×245303745² = 120347854622050050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 22030 + ... + 31239.

It is an arithmetic number, because the mean of its divisors is an integer number (24610740).

Almost surely, 2^245303745 is an apocalyptic number.

It is an amenable number.

245303745 is a deficient number, since it is larger than the sum of its proper divisors (148468095).

245303745 is a wasteful number, since it uses less digits than its factorization.

245303745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53584.

The product of its (nonzero) digits is 50400, while the sum is 33.

The square root of 245303745 is about 15662.1756151564. The cubic root of 245303745 is about 625.9909570429.

The spelling of 245303745 in words is "two hundred forty-five million, three hundred three thousand, seven hundred forty-five".