445443542525 has 48 divisors (see below), whose sum is σ = 618385420800. Its totient is φ = 316314408960.

The previous prime is 445443542521. The next prime is 445443542549. The reversal of 445443542525 is 525245344544.

It is not a de Polignac number, because 445443542525 - 2² = 445443542521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445443542525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445443542521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1677041 + ... + 1924409.

It is an arithmetic number, because the mean of its divisors is an integer number (12883029600).

Almost surely, 2^445443542525 is an apocalyptic number.

It is an amenable number.

445443542525 is a deficient number, since it is larger than the sum of its proper divisors (172941878275).

445443542525 is a wasteful number, since it uses less digits than its factorization.

445443542525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247638 (or 247633 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 47.

The spelling of 445443542525 in words is "four hundred forty-five billion, four hundred forty-three million, five hundred forty-two thousand, five hundred twenty-five".