245126217262 has 4 divisors (see below), whose sum is σ = 367689325896. Its totient is φ = 122563108630.

The previous prime is 245126217241. The next prime is 245126217331. The reversal of 245126217262 is 262712621542.

245126217262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61281554314 + ... + 61281554317.

It is an arithmetic number, because the mean of its divisors is an integer number (91922331474).

Almost surely, 2^245126217262 is an apocalyptic number.

245126217262 is a deficient number, since it is larger than the sum of its proper divisors (122563108634).

245126217262 is a wasteful number, since it uses less digits than its factorization.

245126217262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122563108633.

The product of its digits is 161280, while the sum is 40.

The spelling of 245126217262 in words is "two hundred forty-five billion, one hundred twenty-six million, two hundred seventeen thousand, two hundred sixty-two".