45652109 has 2 divisors, whose sum is σ = 45652110. Its totient is φ = 45652108.

The previous prime is 45652097. The next prime is 45652129. The reversal of 45652109 is 90125654.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42863209 + 2788900 = 6547^2 + 1670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45652109 is a prime.

It is a super-2 number, since 2×45652109² = 4168230112295762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45652129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22826054 + 22826055.

It is an arithmetic number, because the mean of its divisors is an integer number (22826055).

Almost surely, 2^45652109 is an apocalyptic number.

It is an amenable number.

45652109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45652109 is an equidigital number, since it uses as much as digits as its factorization.

45652109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 45652109 is about 6756.6344432713. The cubic root of 45652109 is about 357.3992321990.

The spelling of 45652109 in words is "forty-five million, six hundred fifty-two thousand, one hundred nine".