45507829 has 2 divisors, whose sum is σ = 45507830. Its totient is φ = 45507828.

The previous prime is 45507811. The next prime is 45507859. The reversal of 45507829 is 92870554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 18447025 = 5202^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 45507829 - 2¹¹ = 45505781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45507791 and 45507800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45507809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22753914 + 22753915.

It is an arithmetic number, because the mean of its divisors is an integer number (22753915).

Almost surely, 2^45507829 is an apocalyptic number.

It is an amenable number.

45507829 is a deficient number, since it is larger than the sum of its proper divisors (1).

45507829 is an equidigital number, since it uses as much as digits as its factorization.

45507829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 45507829 is about 6745.9490807447. The cubic root of 45507829 is about 357.0223238740.

The spelling of 45507829 in words is "forty-five million, five hundred seven thousand, eight hundred twenty-nine".