45219851 has 2 divisors, whose sum is σ = 45219852. Its totient is φ = 45219850.

The previous prime is 45219827. The next prime is 45219869. The reversal of 45219851 is 15891254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45219851 - 2¹⁴ = 45203467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45219451) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22609925 + 22609926.

It is an arithmetic number, because the mean of its divisors is an integer number (22609926).

Almost surely, 2^45219851 is an apocalyptic number.

45219851 is a deficient number, since it is larger than the sum of its proper divisors (1).

45219851 is an equidigital number, since it uses as much as digits as its factorization.

45219851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 35.

The square root of 45219851 is about 6724.5706926167. The cubic root of 45219851 is about 356.2676389748.

The spelling of 45219851 in words is "forty-five million, two hundred nineteen thousand, eight hundred fifty-one".