245764145 has 16 divisors (see below), whose sum is σ = 338662080. Its totient is φ = 169329600.

The previous prime is 245764133. The next prime is 245764151. The reversal of 245764145 is 541467542.

It is a happy number.

It is not a de Polignac number, because 245764145 - 2¹⁰ = 245763121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245764099 and 245764108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116546 + ... + 118635.

It is an arithmetic number, because the mean of its divisors is an integer number (21166380).

Almost surely, 2^245764145 is an apocalyptic number.

It is an amenable number.

245764145 is a deficient number, since it is larger than the sum of its proper divisors (92897935).

245764145 is a wasteful number, since it uses less digits than its factorization.

245764145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235216.

The product of its digits is 134400, while the sum is 38.

The square root of 245764145 is about 15676.8665555333. The cubic root of 245764145 is about 626.3823440790.

The spelling of 245764145 in words is "two hundred forty-five million, seven hundred sixty-four thousand, one hundred forty-five".