825544145802 has 16 divisors (see below), whose sum is σ = 1653014892672. Its totient is φ = 274860281760.

The previous prime is 825544145801. The next prime is 825544145849. The reversal of 825544145802 is 208541445528.

It is not an unprimeable number, because it can be changed into a prime (825544145801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80269474 + ... + 80279757.

It is an arithmetic number, because the mean of its divisors is an integer number (103313430792).

Almost surely, 2^825544145802 is an apocalyptic number.

825544145802 is an abundant number, since it is smaller than the sum of its proper divisors (827470746870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825544145802 is a wasteful number, since it uses less digits than its factorization.

825544145802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160550093.

The product of its (nonzero) digits is 2048000, while the sum is 48.

The spelling of 825544145802 in words is "eight hundred twenty-five billion, five hundred forty-four million, one hundred forty-five thousand, eight hundred two".