45484381 has 2 divisors, whose sum is σ = 45484382. Its totient is φ = 45484380.

The previous prime is 45484343. The next prime is 45484427. The reversal of 45484381 is 18348454.

45484381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 10272025 = 5934^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 45484381 - 2⁷ = 45484253 is a prime.

It is a super-2 number, since 2×45484381² = 4137657829906322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45484381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45484301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22742190 + 22742191.

It is an arithmetic number, because the mean of its divisors is an integer number (22742191).

Almost surely, 2^45484381 is an apocalyptic number.

It is an amenable number.

45484381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45484381 is an equidigital number, since it uses as much as digits as its factorization.

45484381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 37.

The square root of 45484381 is about 6744.2109249341. The cubic root of 45484381 is about 356.9609945170.

The spelling of 45484381 in words is "forty-five million, four hundred eighty-four thousand, three hundred eighty-one".