7142522445 has 24 divisors (see below), whose sum is σ = 12384844056. Its totient is φ = 3807969408.

The previous prime is 7142522441. The next prime is 7142522459. The reversal of 7142522445 is 5442252417.

7142522445 is a `hidden beast` number, since 7 + 1 + 425 + 224 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3139809156 + 4002713289 = 56034^2 + 63267^2 .

It is not a de Polignac number, because 7142522445 - 2² = 7142522441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142522441) 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 23 ways as a sum of consecutive naturals, for example, 104059 + ... + 158471.

It is an arithmetic number, because the mean of its divisors is an integer number (516035169).

Almost surely, 2^7142522445 is an apocalyptic number.

It is an amenable number.

7142522445 is a deficient number, since it is larger than the sum of its proper divisors (5242321611).

7142522445 is a wasteful number, since it uses less digits than its factorization.

7142522445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57341 (or 57338 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 7142522445 is about 84513.4453504293. The cubic root of 7142522445 is about 1925.8267046778.

The spelling of 7142522445 in words is "seven billion, one hundred forty-two million, five hundred twenty-two thousand, four hundred forty-five".