45342481 has 2 divisors, whose sum is σ = 45342482. Its totient is φ = 45342480.

The previous prime is 45342469. The next prime is 45342487. The reversal of 45342481 is 18424354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30902481 + 14440000 = 5559^2 + 3800^2 .

It is a cyclic number.

It is not a de Polignac number, because 45342481 - 2⁵ = 45342449 is a prime.

It is a super-2 number, since 2×45342481² = 4111881166470722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45342487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22671240 + 22671241.

It is an arithmetic number, because the mean of its divisors is an integer number (22671241).

Almost surely, 2^45342481 is an apocalyptic number.

It is an amenable number.

45342481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45342481 is an equidigital number, since it uses as much as digits as its factorization.

45342481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 31.

The square root of 45342481 is about 6733.6825734512. The cubic root of 45342481 is about 356.5893978635.

The spelling of 45342481 in words is "forty-five million, three hundred forty-two thousand, four hundred eighty-one".