245003745 has 64 divisors (see below), whose sum is σ = 490821120. Its totient is φ = 101756928.

The previous prime is 245003729. The next prime is 245003749. The reversal of 245003745 is 547300542.

It is not a de Polignac number, because 245003745 - 2⁴ = 245003729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245003749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49399 + ... + 54131.

It is an arithmetic number, because the mean of its divisors is an integer number (7669080).

Almost surely, 2^245003745 is an apocalyptic number.

It is an amenable number.

245003745 is an abundant number, since it is smaller than the sum of its proper divisors (245817375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245003745 is a wasteful number, since it uses less digits than its factorization.

245003745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 245003745 is about 15652.5954716782. The cubic root of 245003745 is about 625.7356628073.

The spelling of 245003745 in words is "two hundred forty-five million, three thousand, seven hundred forty-five".