45486121 has 2 divisors, whose sum is σ = 45486122. Its totient is φ = 45486120.

The previous prime is 45486073. The next prime is 45486149. The reversal of 45486121 is 12168454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38303721 + 7182400 = 6189^2 + 2680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45486121 is a prime.

It is not a weakly prime, because it can be changed into another prime (45486421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22743060 + 22743061.

It is an arithmetic number, because the mean of its divisors is an integer number (22743061).

Almost surely, 2^45486121 is an apocalyptic number.

It is an amenable number.

45486121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45486121 is an equidigital number, since it uses as much as digits as its factorization.

45486121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 45486121 is about 6744.3399232245. The cubic root of 45486121 is about 356.9655462936.

The spelling of 45486121 in words is "forty-five million, four hundred eighty-six thousand, one hundred twenty-one".