1185145765 has 8 divisors (see below), whose sum is σ = 1428553728. Its totient is φ = 943864080.

The previous prime is 1185145757. The next prime is 1185145777. The reversal of 1185145765 is 5675415811.

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

It is not a de Polignac number, because 1185145765 - 2³ = 1185145757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530341 + ... + 532570.

It is an arithmetic number, because the mean of its divisors is an integer number (178569216).

Almost surely, 2^1185145765 is an apocalyptic number.

It is an amenable number.

1185145765 is a deficient number, since it is larger than the sum of its proper divisors (243407963).

1185145765 is a wasteful number, since it uses less digits than its factorization.

1185145765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063139.

The product of its digits is 168000, while the sum is 43.

The square root of 1185145765 is about 34425.9461017413. The cubic root of 1185145765 is about 1058.2556349156.

The spelling of 1185145765 in words is "one billion, one hundred eighty-five million, one hundred forty-five thousand, seven hundred sixty-five".