1045097019 has 16 divisors (see below), whose sum is σ = 1563328000. Its totient is φ = 689965128.

The previous prime is 1045096999. The next prime is 1045097047. The reversal of 1045097019 is 9107905401.

It is not a de Polignac number, because 1045097019 - 2⁷ = 1045096891 is a prime.

It is a super-2 number, since 2×1045097019² = 2184455558245372722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045097059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185119 + ... + 190680.

It is an arithmetic number, because the mean of its divisors is an integer number (97708000).

Almost surely, 2^1045097019 is an apocalyptic number.

1045097019 is a deficient number, since it is larger than the sum of its proper divisors (518230981).

1045097019 is a wasteful number, since it uses less digits than its factorization.

1045097019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375911 (or 375905 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 1045097019 is about 32327.9603284835. The cubic root of 1045097019 is about 1014.8118651200.

The spelling of 1045097019 in words is "one billion, forty-five million, ninety-seven thousand, nineteen".