45213629 has 2 divisors, whose sum is σ = 45213630. Its totient is φ = 45213628.

The previous prime is 45213613. The next prime is 45213631. The reversal of 45213629 is 92631254.

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., 32752729 + 12460900 = 5723^2 + 3530^2 .

It is a cyclic number.

It is not a de Polignac number, because 45213629 - 2⁴ = 45213613 is a prime.

Together with 45213631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45213595 and 45213604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45213689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606814 + 22606815.

It is an arithmetic number, because the mean of its divisors is an integer number (22606815).

Almost surely, 2^45213629 is an apocalyptic number.

It is an amenable number.

45213629 is a deficient number, since it is larger than the sum of its proper divisors (1).

45213629 is an equidigital number, since it uses as much as digits as its factorization.

45213629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 45213629 is about 6724.1080449380. The cubic root of 45213629 is about 356.2512980767.

The spelling of 45213629 in words is "forty-five million, two hundred thirteen thousand, six hundred twenty-nine".