245126216 has 8 divisors (see below), whose sum is σ = 459611670. Its totient is φ = 122563104.

The previous prime is 245126173. The next prime is 245126237. The reversal of 245126216 is 612621542.

It can be written as a sum of positive squares in only one way, i.e., 238826116 + 6300100 = 15454^2 + 2510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320381 + ... + 15320396.

Almost surely, 2^245126216 is an apocalyptic number.

It is an amenable number.

245126216 is a deficient number, since it is larger than the sum of its proper divisors (214485454).

245126216 is a wasteful number, since it uses less digits than its factorization.

245126216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30640783 (or 30640779 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 245126216 is about 15656.5071455929. The cubic root of 245126216 is about 625.8399084338.

Adding to 245126216 its reverse (612621542), we get a palindrome (857747758).

The spelling of 245126216 in words is "two hundred forty-five million, one hundred twenty-six thousand, two hundred sixteen".