245430782642 has 8 divisors (see below), whose sum is σ = 368306733036. Its totient is φ = 122661871632.

The previous prime is 245430782621. The next prime is 245430782659. The reversal of 245430782642 is 246287034542.

It can be written as a sum of positive squares in 2 ways, for example, as 228750801841 + 16679980801 = 478279^2 + 129151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26754113 + ... + 26763284.

Almost surely, 2^245430782642 is an apocalyptic number.

245430782642 is a deficient number, since it is larger than the sum of its proper divisors (122875950394).

245430782642 is a wasteful number, since it uses less digits than its factorization.

245430782642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53519692.

The product of its (nonzero) digits is 2580480, while the sum is 47.

The spelling of 245430782642 in words is "two hundred forty-five billion, four hundred thirty million, seven hundred eighty-two thousand, six hundred forty-two".