245231616 has 104 divisors (see below), whose sum is σ = 747543424. Its totient is φ = 70041600.

The previous prime is 245231599. The next prime is 245231621. The reversal of 245231616 is 616132542.

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, 84591 + ... + 87441.

Almost surely, 2^245231616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245231616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373771712).

245231616 is an abundant number, since it is smaller than the sum of its proper divisors (502311808).

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

245231616 is an equidigital number, since it uses as much as digits as its factorization.

245231616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885 (or 2863 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 245231616 is about 15659.8727964182. The cubic root of 245231616 is about 625.9295956642.

The spelling of 245231616 in words is "two hundred forty-five million, two hundred thirty-one thousand, six hundred sixteen".