245310320 has 40 divisors (see below), whose sum is σ = 571332480. Its totient is φ = 97954560.

The previous prime is 245310293. The next prime is 245310353. The reversal of 245310320 is 23013542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 245310292 and 245310301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50561 + ... + 55199.

It is an arithmetic number, because the mean of its divisors is an integer number (14283312).

Almost surely, 2^245310320 is an apocalyptic number.

245310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245310320 is an abundant number, since it is smaller than the sum of its proper divisors (326022160).

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

245310320 is a wasteful number, since it uses less digits than its factorization.

245310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 5307 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 245310320 is about 15662.3855143461. The cubic root of 245310320 is about 625.9965499100.

Adding to 245310320 its reverse (23013542), we get a palindrome (268323862).

The spelling of 245310320 in words is "two hundred forty-five million, three hundred ten thousand, three hundred twenty".