825152145 has 16 divisors (see below), whose sum is σ = 1321867392. Its totient is φ = 439539840.

The previous prime is 825152143. The next prime is 825152179. The reversal of 825152145 is 541251528.

It is not a de Polignac number, because 825152145 - 2¹ = 825152143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825152143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21076 + ... + 45765.

It is an arithmetic number, because the mean of its divisors is an integer number (82616712).

Almost surely, 2^825152145 is an apocalyptic number.

It is an amenable number.

825152145 is a deficient number, since it is larger than the sum of its proper divisors (496715247).

825152145 is a wasteful number, since it uses less digits than its factorization.

825152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67672.

The product of its digits is 16000, while the sum is 33.

The square root of 825152145 is about 28725.4616150898. The cubic root of 825152145 is about 937.9463787176.

The spelling of 825152145 in words is "eight hundred twenty-five million, one hundred fifty-two thousand, one hundred forty-five".