245122303340 has 72 divisors (see below), whose sum is σ = 575597959440. Its totient is φ = 87424386048.

The previous prime is 245122303337. The next prime is 245122303381. The reversal of 245122303340 is 43303221542.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1006199 + ... + 1225838.

Almost surely, 2^245122303340 is an apocalyptic number.

245122303340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245122303340 is an abundant number, since it is smaller than the sum of its proper divisors (330475656100).

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

245122303340 is a wasteful number, since it uses less digits than its factorization.

245122303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232099 (or 2232080 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 245122303340 its reverse (43303221542), we get a palindrome (288425524882).

The spelling of 245122303340 in words is "two hundred forty-five billion, one hundred twenty-two million, three hundred three thousand, three hundred forty".