4202102525445 has 36 divisors (see below), whose sum is σ = 8005989284748. Its totient is φ = 2037383040000.

The previous prime is 4202102525443. The next prime is 4202102525527. The reversal of 4202102525445 is 5445252012024.

4202102525445 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 102 + 5 + 2 + 544 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2502474050241 + 1699628475204 = 1581921^2 + 1303698^2 .

It is not a de Polignac number, because 4202102525445 - 2¹ = 4202102525443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202102525443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 385862556 + ... + 385873445.

It is an arithmetic number, because the mean of its divisors is an integer number (222388591243).

Almost surely, 2^{4202102525445} is an apocalyptic number.

4202102525445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4202102525445 is a deficient number, since it is larger than the sum of its proper divisors (3803886759303).

4202102525445 is a wasteful number, since it uses less digits than its factorization.

4202102525445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771736034 (or 771736020 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 4202102525445 its reverse (5445252012024), we get a palindrome (9647354537469).

The spelling of 4202102525445 in words is "four trillion, two hundred two billion, one hundred two million, five hundred twenty-five thousand, four hundred forty-five".