45761281 has 2 divisors, whose sum is σ = 45761282. Its totient is φ = 45761280.

The previous prime is 45761279. The next prime is 45761311. The reversal of 45761281 is 18216754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45495025 + 266256 = 6745^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 45761281 - 2¹ = 45761279 is a prime.

It is a super-2 number, since 2×45761281² = 4188189677521922, which contains 22 as substring.

Together with 45761279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45761251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22880640 + 22880641.

It is an arithmetic number, because the mean of its divisors is an integer number (22880641).

Almost surely, 2^45761281 is an apocalyptic number.

It is an amenable number.

45761281 is a deficient number, since it is larger than the sum of its proper divisors (1).

45761281 is an equidigital number, since it uses as much as digits as its factorization.

45761281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 45761281 is about 6764.7084933499. The cubic root of 45761281 is about 357.6838990609.

The spelling of 45761281 in words is "forty-five million, seven hundred sixty-one thousand, two hundred eighty-one".