787245245145 has 24 divisors (see below), whose sum is σ = 1364586841800. Its totient is φ = 419855387136.

The previous prime is 787245245141. The next prime is 787245245209. The reversal of 787245245145 is 541542542787.

787245245145 is a `hidden beast` number, since 7 + 8 + 7 + 2 + 452 + 45 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 179701383744 + 607543861401 = 423912^2 + 779451^2 .

It is not a de Polignac number, because 787245245145 - 2² = 787245245141 is a prime.

It is a super-2 number, since 2×787245245145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 787245245091 and 787245245100.

It is not an unprimeable number, because it can be changed into a prime (787245245141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2407201 + ... + 2714609.

It is an arithmetic number, because the mean of its divisors is an integer number (56857785075).

Almost surely, 2^787245245145 is an apocalyptic number.

It is an amenable number.

787245245145 is a deficient number, since it is larger than the sum of its proper divisors (577341596655).

787245245145 is a wasteful number, since it uses less digits than its factorization.

787245245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364329 (or 364326 counting only the distinct ones).

The product of its digits is 12544000, while the sum is 54.

The spelling of 787245245145 in words is "seven hundred eighty-seven billion, two hundred forty-five million, two hundred forty-five thousand, one hundred forty-five".