45367181 has 2 divisors, whose sum is σ = 45367182. Its totient is φ = 45367180.

The previous prime is 45367163. The next prime is 45367183. The reversal of 45367181 is 18176354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44009956 + 1357225 = 6634^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 45367181 - 2¹⁰ = 45366157 is a prime.

It is a super-2 number, since 2×45367181² = 4116362223773522, which contains 22 as substring.

Together with 45367183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45367183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22683590 + 22683591.

It is an arithmetic number, because the mean of its divisors is an integer number (22683591).

Almost surely, 2^45367181 is an apocalyptic number.

It is an amenable number.

45367181 is a deficient number, since it is larger than the sum of its proper divisors (1).

45367181 is an equidigital number, since it uses as much as digits as its factorization.

45367181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 45367181 is about 6735.5163870337. The cubic root of 45367181 is about 356.6541359715.

The spelling of 45367181 in words is "forty-five million, three hundred sixty-seven thousand, one hundred eighty-one".