45158463601261 has 2 divisors, whose sum is σ = 45158463601262. Its totient is φ = 45158463601260.

The previous prime is 45158463601159. The next prime is 45158463601319. The reversal of 45158463601261 is 16210636485154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28821758588100 + 16336705013161 = 5368590^2 + 4041869^2 .

It is a cyclic number.

It is not a de Polignac number, because 45158463601261 - 2³⁹ = 44608707787373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45158463601199 and 45158463601208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45158463601661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22579231800630 + 22579231800631.

It is an arithmetic number, because the mean of its divisors is an integer number (22579231800631).

Almost surely, 2^{45158463601261} is an apocalyptic number.

It is an amenable number.

45158463601261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45158463601261 is an equidigital number, since it uses as much as digits as its factorization.

45158463601261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 45158463601261 in words is "forty-five trillion, one hundred fifty-eight billion, four hundred sixty-three million, six hundred one thousand, two hundred sixty-one".