1045519197 has 8 divisors (see below), whose sum is σ = 1396866720. Its totient is φ = 695592240.

The previous prime is 1045519187. The next prime is 1045519291. The reversal of 1045519197 is 7919155401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045519197 - 2¹¹ = 1045517149 is a prime.

It is a super-2 number, since 2×1045519197² = 2186220782591049618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045519127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353422 + ... + 356367.

It is an arithmetic number, because the mean of its divisors is an integer number (174608340).

Almost surely, 2^1045519197 is an apocalyptic number.

It is an amenable number.

1045519197 is a deficient number, since it is larger than the sum of its proper divisors (351347523).

1045519197 is an equidigital number, since it uses as much as digits as its factorization.

1045519197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710283.

The product of its (nonzero) digits is 56700, while the sum is 42.

The square root of 1045519197 is about 32334.4892800242. The cubic root of 1045519197 is about 1014.9484947212.

The spelling of 1045519197 in words is "one billion, forty-five million, five hundred nineteen thousand, one hundred ninety-seven".