67455013445 has 4 divisors (see below), whose sum is σ = 80946016140. Its totient is φ = 53964010752.

The previous prime is 67455013441. The next prime is 67455013469. The reversal of 67455013445 is 54431055476.

67455013445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37743941284 + 29711072161 = 194278^2 + 172369^2 .

It is a cyclic number.

It is not a de Polignac number, because 67455013445 - 2² = 67455013441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67455013396 and 67455013405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67455013441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6745501340 + ... + 6745501349.

It is an arithmetic number, because the mean of its divisors is an integer number (20236504035).

Almost surely, 2^67455013445 is an apocalyptic number.

It is an amenable number.

67455013445 is a deficient number, since it is larger than the sum of its proper divisors (13491002695).

67455013445 is a wasteful number, since it uses less digits than its factorization.

67455013445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491002694.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 67455013445 in words is "sixty-seven billion, four hundred fifty-five million, thirteen thousand, four hundred forty-five".