45406019 has 2 divisors, whose sum is σ = 45406020. Its totient is φ = 45406018.

The previous prime is 45405977. The next prime is 45406027. The reversal of 45406019 is 91060454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45406019 is a prime.

It is a super-2 number, since 2×45406019² = 4123413122856722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45405982 and 45406000.

It is not a weakly prime, because it can be changed into another prime (45406069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22703009 + 22703010.

It is an arithmetic number, because the mean of its divisors is an integer number (22703010).

Almost surely, 2^45406019 is an apocalyptic number.

45406019 is a deficient number, since it is larger than the sum of its proper divisors (1).

45406019 is an equidigital number, since it uses as much as digits as its factorization.

45406019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45406019 is about 6738.3988454231. The cubic root of 45406019 is about 356.7558819339.

The spelling of 45406019 in words is "forty-five million, four hundred six thousand, nineteen".