245134312 has 8 divisors (see below), whose sum is σ = 459626850. Its totient is φ = 122567152.

The previous prime is 245134291. The next prime is 245134313. The reversal of 245134312 is 213431542.

It can be written as a sum of positive squares in only one way, i.e., 214153956 + 30980356 = 14634^2 + 5566^2 .

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

It is not an unprimeable number, because it can be changed into a prime (245134313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320887 + ... + 15320902.

Almost surely, 2^245134312 is an apocalyptic number.

It is an amenable number.

245134312 is a deficient number, since it is larger than the sum of its proper divisors (214492538).

245134312 is a wasteful number, since it uses less digits than its factorization.

245134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30641795 (or 30641791 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 245134312 is about 15656.7656941017. The cubic root of 245134312 is about 625.8467984138.

Adding to 245134312 its reverse (213431542), we get a palindrome (458565854).

It can be divided in two parts, 2451 and 34312, that added together give a palindrome (36763).

The spelling of 245134312 in words is "two hundred forty-five million, one hundred thirty-four thousand, three hundred twelve".