1045897538 has 24 divisors (see below), whose sum is σ = 1874324928. Its totient is φ = 428749992.

The previous prime is 1045897529. The next prime is 1045897547. The reversal of 1045897538 is 8357985401.

It is an interprime number because it is at equal distance from previous prime (1045897529) and next prime (1045897547).

It is a super-2 number, since 2×1045897538² = 2187803319988922888, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63206 + ... + 78017.

It is an arithmetic number, because the mean of its divisors is an integer number (78096872).

Almost surely, 2^1045897538 is an apocalyptic number.

1045897538 is a deficient number, since it is larger than the sum of its proper divisors (828427390).

1045897538 is a wasteful number, since it uses less digits than its factorization.

1045897538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141278 (or 141255 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 1045897538 is about 32340.3391757106. The cubic root of 1045897538 is about 1015.0709060935.

The spelling of 1045897538 in words is "one billion, forty-five million, eight hundred ninety-seven thousand, five hundred thirty-eight".