1145045168 has 20 divisors (see below), whose sum is σ = 2226373128. Its totient is φ = 570497280.

The previous prime is 1145045147. The next prime is 1145045207. The reversal of 1145045168 is 8615405411.

It is a super-2 number, since 2×1145045168² = 2622256873520296448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121913 + ... + 130968.

Almost surely, 2^1145045168 is an apocalyptic number.

It is an amenable number.

1145045168 is a deficient number, since it is larger than the sum of its proper divisors (1081327960).

1145045168 is a wasteful number, since it uses less digits than its factorization.

1145045168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253172 (or 253166 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 1145045168 is about 33838.5160431128. The cubic root of 1145045168 is about 1046.1827128735.

The spelling of 1145045168 in words is "one billion, one hundred forty-five million, forty-five thousand, one hundred sixty-eight".