61445146033 has 2 divisors, whose sum is σ = 61445146034. Its totient is φ = 61445146032.

The previous prime is 61445146019. The next prime is 61445146043. The reversal of 61445146033 is 33064154416.

61445146033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33952853169 + 27492292864 = 184263^2 + 165808^2 .

It is a cyclic number.

It is not a de Polignac number, because 61445146033 - 2⁹ = 61445145521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61445145983 and 61445146001.

It is not a weakly prime, because it can be changed into another prime (61445146043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30722573016 + 30722573017.

It is an arithmetic number, because the mean of its divisors is an integer number (30722573017).

Almost surely, 2^61445146033 is an apocalyptic number.

It is an amenable number.

61445146033 is a deficient number, since it is larger than the sum of its proper divisors (1).

61445146033 is an equidigital number, since it uses as much as digits as its factorization.

61445146033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 61445146033 in words is "sixty-one billion, four hundred forty-five million, one hundred forty-six thousand, thirty-three".