45487610761405 has 4 divisors (see below), whose sum is σ = 54585132913692. Its totient is φ = 36390088609120.

The previous prime is 45487610761403. The next prime is 45487610761409. The reversal of 45487610761405 is 50416701678454.

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 5022210978841 + 40465399782564 = 2241029^2 + 6361242^2 .

It is not a de Polignac number, because 45487610761405 - 2¹ = 45487610761403 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45487610761405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45487610761403) 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, 4548761076136 + ... + 4548761076145.

It is an arithmetic number, because the mean of its divisors is an integer number (13646283228423).

Almost surely, 2^{45487610761405} is an apocalyptic number.

It is an amenable number.

45487610761405 is a deficient number, since it is larger than the sum of its proper divisors (9097522152287).

45487610761405 is an equidigital number, since it uses as much as digits as its factorization.

45487610761405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097522152286.

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 45487610761405 in words is "forty-five trillion, four hundred eighty-seven billion, six hundred ten million, seven hundred sixty-one thousand, four hundred five".