1045450519 has 2 divisors, whose sum is σ = 1045450520. Its totient is φ = 1045450518.

The previous prime is 1045450517. The next prime is 1045450531. The reversal of 1045450519 is 9150545401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045450519 - 2¹ = 1045450517 is a prime.

It is a super-2 number, since 2×1045450519² = 2185933575354738722, which contains 22 as substring.

Together with 1045450517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045450517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522725259 + 522725260.

It is an arithmetic number, because the mean of its divisors is an integer number (522725260).

Almost surely, 2^1045450519 is an apocalyptic number.

1045450519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045450519 is an equidigital number, since it uses as much as digits as its factorization.

1045450519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1045450519 is about 32333.4272696230. The cubic root of 1045450519 is about 1014.9262709434.

The spelling of 1045450519 in words is "one billion, forty-five million, four hundred fifty thousand, five hundred nineteen".