45212119 has 2 divisors, whose sum is σ = 45212120. Its totient is φ = 45212118.

The previous prime is 45212117. The next prime is 45212143. The reversal of 45212119 is 91121254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45212119 - 2¹ = 45212117 is a prime.

It is a super-2 number, since 2×45212119² = 4088271408940322, which contains 22 as substring.

Together with 45212117, it forms a pair of twin primes.

It is equal to p_2730193 and since 45212119 and 2730193 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 45212093 and 45212102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45212117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606059 + 22606060.

It is an arithmetic number, because the mean of its divisors is an integer number (22606060).

Almost surely, 2^45212119 is an apocalyptic number.

45212119 is a deficient number, since it is larger than the sum of its proper divisors (1).

45212119 is an equidigital number, since it uses as much as digits as its factorization.

45212119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 45212119 is about 6723.9957614502. The cubic root of 45212119 is about 356.2473321232.

The spelling of 45212119 in words is "forty-five million, two hundred twelve thousand, one hundred nineteen".