45361919 has 2 divisors, whose sum is σ = 45361920. Its totient is φ = 45361918.

The previous prime is 45361903. The next prime is 45361931. The reversal of 45361919 is 91916354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45361919 - 2⁴ = 45361903 is a prime.

It is a super-2 number, since 2×45361919² = 4115407390725122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45361969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22680959 + 22680960.

It is an arithmetic number, because the mean of its divisors is an integer number (22680960).

Almost surely, 2^45361919 is an apocalyptic number.

45361919 is a deficient number, since it is larger than the sum of its proper divisors (1).

45361919 is an equidigital number, since it uses as much as digits as its factorization.

45361919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 45361919 is about 6735.1257597761. The cubic root of 45361919 is about 356.6403463657.

The spelling of 45361919 in words is "forty-five million, three hundred sixty-one thousand, nine hundred nineteen".