245312520422 has 4 divisors (see below), whose sum is σ = 367968780636. Its totient is φ = 122656260210.

The previous prime is 245312520419. The next prime is 245312520517. The reversal of 245312520422 is 224025213542.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61328130104 + ... + 61328130107.

It is an arithmetic number, because the mean of its divisors is an integer number (91992195159).

Almost surely, 2^245312520422 is an apocalyptic number.

245312520422 is a deficient number, since it is larger than the sum of its proper divisors (122656260214).

245312520422 is a wasteful number, since it uses less digits than its factorization.

245312520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122656260213.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 245312520422 its reverse (224025213542), we get a palindrome (469337733964).

The spelling of 245312520422 in words is "two hundred forty-five billion, three hundred twelve million, five hundred twenty thousand, four hundred twenty-two".