45000061 has 2 divisors, whose sum is σ = 45000062. Its totient is φ = 45000060.

The previous prime is 45000031. The next prime is 45000077. The reversal of 45000061 is 16000054.

It is an a-pointer prime, because the next prime (45000077) can be obtained adding 45000061 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 3976036 = 6405^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 45000061 - 2¹¹ = 44998013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44999999 and 45000044.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45000031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500030 + 22500031.

It is an arithmetic number, because the mean of its divisors is an integer number (22500031).

Almost surely, 2^45000061 is an apocalyptic number.

It is an amenable number.

45000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

45000061 is an equidigital number, since it uses as much as digits as its factorization.

45000061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45000061 is about 6708.2084791694. The cubic root of 45000061 is about 355.6894911678.

The spelling of 45000061 in words is "forty-five million, sixty-one", and thus it is an aban number and an uban number.