45219043 has 2 divisors, whose sum is σ = 45219044. Its totient is φ = 45219042.

The previous prime is 45219019. The next prime is 45219061. The reversal of 45219043 is 34091254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45219043 - 2⁵ = 45219011 is a prime.

It is not a weakly prime, because it can be changed into another prime (45219073) 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, 22609521 + 22609522.

It is an arithmetic number, because the mean of its divisors is an integer number (22609522).

Almost surely, 2^45219043 is an apocalyptic number.

45219043 is a deficient number, since it is larger than the sum of its proper divisors (1).

45219043 is an equidigital number, since it uses as much as digits as its factorization.

45219043 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 28.

The square root of 45219043 is about 6724.5106141637. The cubic root of 45219043 is about 356.2655170014.

It can be divided in two parts, 4521 and 9043, that multiplied together give a triangular number (40883403 = T₉₀₄₂).

The spelling of 45219043 in words is "forty-five million, two hundred nineteen thousand, forty-three".