245551455545 has 16 divisors (see below), whose sum is σ = 331818508800. Its totient is φ = 172822137600.

The previous prime is 245551455529. The next prime is 245551455551. The reversal of 245551455545 is 545554155542.

It is not a de Polignac number, because 245551455545 - 2⁴ = 245551455529 is a prime.

It is a super-2 number, since 2×245551455545² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245551455493 and 245551455502.

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, 72007520 + ... + 72010929.

It is an arithmetic number, because the mean of its divisors is an integer number (20738656800).

Almost surely, 2^245551455545 is an apocalyptic number.

It is an amenable number.

245551455545 is a deficient number, since it is larger than the sum of its proper divisors (86267053255).

245551455545 is a wasteful number, since it uses less digits than its factorization.

245551455545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144018496.

The product of its digits is 10000000, while the sum is 50.

The spelling of 245551455545 in words is "two hundred forty-five billion, five hundred fifty-one million, four hundred fifty-five thousand, five hundred forty-five".