45134578901 has 2 divisors, whose sum is σ = 45134578902. Its totient is φ = 45134578900.

The previous prime is 45134578861. The next prime is 45134578903. The reversal of 45134578901 is 10987543154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28782819025 + 16351759876 = 169655^2 + 127874^2 .

It is a cyclic number.

It is not a de Polignac number, because 45134578901 - 2¹⁸ = 45134316757 is a prime.

Together with 45134578903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45134578903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22567289450 + 22567289451.

It is an arithmetic number, because the mean of its divisors is an integer number (22567289451).

Almost surely, 2^45134578901 is an apocalyptic number.

It is an amenable number.

45134578901 is a deficient number, since it is larger than the sum of its proper divisors (1).

45134578901 is an equidigital number, since it uses as much as digits as its factorization.

45134578901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 45134578901 in words is "forty-five billion, one hundred thirty-four million, five hundred seventy-eight thousand, nine hundred one".