45806419 has 2 divisors, whose sum is σ = 45806420. Its totient is φ = 45806418.

The previous prime is 45806413. The next prime is 45806443. The reversal of 45806419 is 91460854.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45806419 - 2¹¹ = 45804371 is a prime.

It is a super-2 number, since 2×45806419² = 4196456043207122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45806413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22903209 + 22903210.

It is an arithmetic number, because the mean of its divisors is an integer number (22903210).

Almost surely, 2^45806419 is an apocalyptic number.

45806419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45806419 is an equidigital number, since it uses as much as digits as its factorization.

45806419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 45806419 is about 6768.0439567130. The cubic root of 45806419 is about 357.8014644639.

It can be divided in two parts, 45806 and 419, that added together give a square (46225 = 215²).

The spelling of 45806419 in words is "forty-five million, eight hundred six thousand, four hundred nineteen".