445140053 has 12 divisors (see below), whose sum is σ = 489179940. Its totient is φ = 404500992.

The previous prime is 445140043. The next prime is 445140079. The reversal of 445140053 is 350041544.

It can be written as a sum of positive squares in 6 ways, for example, as 41049649 + 404090404 = 6407^2 + 20102^2 .

It is a de Polignac number, because none of the positive numbers 2^k-445140053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445140013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18176 + ... + 34937.

It is an arithmetic number, because the mean of its divisors is an integer number (40764995).

Almost surely, 2^445140053 is an apocalyptic number.

It is an amenable number.

445140053 is a deficient number, since it is larger than the sum of its proper divisors (44039887).

445140053 is a wasteful number, since it uses less digits than its factorization.

445140053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53176 (or 53159 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 445140053 is about 21098.3424230436. The cubic root of 445140053 is about 763.5407573493.

Adding to 445140053 its reverse (350041544), we get a palindrome (795181597).

The spelling of 445140053 in words is "four hundred forty-five million, one hundred forty thousand, fifty-three".