1145125345 has 96 divisors (see below), whose sum is σ = 1838592000. Its totient is φ = 676698624.

The previous prime is 1145125339. The next prime is 1145125351. The reversal of 1145125345 is 5435215411.

It is an interprime number because it is at equal distance from previous prime (1145125339) and next prime (1145125351).

It is not a de Polignac number, because 1145125345 - 2⁹ = 1145124833 is a prime.

It is a super-2 number, since 2×1145125345² = 2622624111522738050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7685331 + ... + 7685479.

It is an arithmetic number, because the mean of its divisors is an integer number (19152000).

Almost surely, 2^1145125345 is an apocalyptic number.

It is an amenable number.

1145125345 is a deficient number, since it is larger than the sum of its proper divisors (693466655).

1145125345 is a wasteful number, since it uses less digits than its factorization.

1145125345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 320 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 1145125345 is about 33839.7007226719. The cubic root of 1145125345 is about 1046.2071304936.

The spelling of 1145125345 in words is "one billion, one hundred forty-five million, one hundred twenty-five thousand, three hundred forty-five".