1145565351 has 24 divisors (see below), whose sum is σ = 1952098304. Its totient is φ = 633491280.

The previous prime is 1145565341. The next prime is 1145565353. The reversal of 1145565351 is 1535655411.

1145565351 is a `hidden beast` number, since 1 + 1 + 4 + 556 + 53 + 51 = 666.

It is not a de Polignac number, because 1145565351 - 2⁵ = 1145565319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145565353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291331 + ... + 295236.

Almost surely, 2^1145565351 is an apocalyptic number.

1145565351 is a deficient number, since it is larger than the sum of its proper divisors (806532953).

1145565351 is a wasteful number, since it uses less digits than its factorization.

1145565351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586611 (or 586608 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 1145565351 is about 33846.2014264526. The cubic root of 1145565351 is about 1046.3411124688.

The spelling of 1145565351 in words is "one billion, one hundred forty-five million, five hundred sixty-five thousand, three hundred fifty-one".