245333789 has 4 divisors (see below), whose sum is σ = 248439360. Its totient is φ = 242228220.

The previous prime is 245333771. The next prime is 245333797. The reversal of 245333789 is 987333542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-245333789 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 (245333729) 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, 1552667 + ... + 1552824.

It is an arithmetic number, because the mean of its divisors is an integer number (62109840).

Almost surely, 2^245333789 is an apocalyptic number.

It is an amenable number.

245333789 is a deficient number, since it is larger than the sum of its proper divisors (3105571).

245333789 is an equidigital number, since it uses as much as digits as its factorization.

245333789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105570.

The product of its digits is 544320, while the sum is 44.

The square root of 245333789 is about 15663.1347118002. The cubic root of 245333789 is about 626.0165124410.

The spelling of 245333789 in words is "two hundred forty-five million, three hundred thirty-three thousand, seven hundred eighty-nine".