245002789 has 8 divisors (see below), whose sum is σ = 251877528. Its totient is φ = 238141440.

The previous prime is 245002783. The next prime is 245002811. The reversal of 245002789 is 987200542.

245002789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 90820900 + 154181889 = 9530^2 + 12417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245002789 - 2⁷ = 245002661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245002783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42309 + ... + 47749.

It is an arithmetic number, because the mean of its divisors is an integer number (31484691).

Almost surely, 2^245002789 is an apocalyptic number.

It is an amenable number.

245002789 is a deficient number, since it is larger than the sum of its proper divisors (6874739).

245002789 is a wasteful number, since it uses less digits than its factorization.

245002789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 245002789 is about 15652.5649335820. The cubic root of 245002789 is about 625.7348489366.

The spelling of 245002789 in words is "two hundred forty-five million, two thousand, seven hundred eighty-nine".