45545429 has 2 divisors, whose sum is σ = 45545430. Its totient is φ = 45545428.

The previous prime is 45545411. The next prime is 45545443. The reversal of 45545429 is 92454554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39664804 + 5880625 = 6298^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 45545429 - 2¹⁶ = 45479893 is a prime.

It is a super-2 number, since 2×45545429² = 4148772205588082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45545392 and 45545401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45545449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772714 + 22772715.

It is an arithmetic number, because the mean of its divisors is an integer number (22772715).

Almost surely, 2^45545429 is an apocalyptic number.

It is an amenable number.

45545429 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545429 is an equidigital number, since it uses as much as digits as its factorization.

45545429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 38.

The square root of 45545429 is about 6748.7353630143. The cubic root of 45545429 is about 357.1206244979.

The spelling of 45545429 in words is "forty-five million, five hundred forty-five thousand, four hundred twenty-nine".