245445334312555 has 16 divisors (see below), whose sum is σ = 335849181431904. Its totient is φ = 170590060408320.

The previous prime is 245445334312513. The next prime is 245445334312621. The reversal of 245445334312555 is 555213433544542.

It is not a de Polignac number, because 245445334312555 - 2⁷ = 245445334312427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245445334312496 and 245445334312505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111061236141 + ... + 111061238350.

It is an arithmetic number, because the mean of its divisors is an integer number (20990573839494).

Almost surely, 2^{245445334312555} is an apocalyptic number.

245445334312555 is a deficient number, since it is larger than the sum of its proper divisors (90403847119349).

245445334312555 is a wasteful number, since it uses less digits than its factorization.

245445334312555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222122474526.

The product of its digits is 86400000, while the sum is 55.

The spelling of 245445334312555 in words is "two hundred forty-five trillion, four hundred forty-five billion, three hundred thirty-four million, three hundred twelve thousand, five hundred fifty-five".