45408061 has 2 divisors, whose sum is σ = 45408062. Its totient is φ = 45408060.

The previous prime is 45408059. The next prime is 45408079. The reversal of 45408061 is 16080454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 3080025 = 6506^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 45408061 - 2¹ = 45408059 is a prime.

Together with 45408059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45408001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22704030 + 22704031.

It is an arithmetic number, because the mean of its divisors is an integer number (22704031).

Almost surely, 2^45408061 is an apocalyptic number.

It is an amenable number.

45408061 is a deficient number, since it is larger than the sum of its proper divisors (1).

45408061 is an equidigital number, since it uses as much as digits as its factorization.

45408061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 45408061 is about 6738.5503633942. The cubic root of 45408061 is about 356.7612298636.

The spelling of 45408061 in words is "forty-five million, four hundred eight thousand, sixty-one".