245345242544 has 20 divisors (see below), whose sum is σ = 479798994024. Its totient is φ = 121526147328.

The previous prime is 245345242529. The next prime is 245345242567. The reversal of 245345242544 is 445242543542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245345242495 and 245345242504.

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, 71652857 + ... + 71656280.

Almost surely, 2^245345242544 is an apocalyptic number.

It is an amenable number.

245345242544 is a deficient number, since it is larger than the sum of its proper divisors (234453751480).

245345242544 is a wasteful number, since it uses less digits than its factorization.

245345242544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143309252 (or 143309246 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 44.

The spelling of 245345242544 in words is "two hundred forty-five billion, three hundred forty-five million, two hundred forty-two thousand, five hundred forty-four".